diff --git a/github/config.go b/github/config.go
index ebce148fd4..b1637fef32 100644
--- a/github/config.go
+++ b/github/config.go
@@ -7,7 +7,7 @@ import (
 	"net/http"
 	"net/url"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/logging"
 	"golang.org/x/oauth2"
 )
diff --git a/github/data_source_github_collaborators.go b/github/data_source_github_collaborators.go
index 5ab57c3331..782b5d10e3 100644
--- a/github/data_source_github_collaborators.go
+++ b/github/data_source_github_collaborators.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 	"github.com/hashicorp/terraform/helper/validation"
 )
diff --git a/github/data_source_github_repositories.go b/github/data_source_github_repositories.go
index ad8d914879..1123667064 100644
--- a/github/data_source_github_repositories.go
+++ b/github/data_source_github_repositories.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"log"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 	"github.com/hashicorp/terraform/helper/validation"
 )
diff --git a/github/data_source_github_team.go b/github/data_source_github_team.go
index e9504b47ec..3e0568a30a 100644
--- a/github/data_source_github_team.go
+++ b/github/data_source_github_team.go
@@ -6,7 +6,7 @@ import (
 	"log"
 	"strconv"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_branch_protection.go b/github/resource_github_branch_protection.go
index 0d18419f9f..28f6cf54b3 100644
--- a/github/resource_github_branch_protection.go
+++ b/github/resource_github_branch_protection.go
@@ -8,7 +8,7 @@ import (
 	"net/http"
 	"strings"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 	"github.com/hashicorp/terraform/helper/validation"
 )
diff --git a/github/resource_github_branch_protection_test.go b/github/resource_github_branch_protection_test.go
index 0706f62973..69767fa0ff 100644
--- a/github/resource_github_branch_protection_test.go
+++ b/github/resource_github_branch_protection_test.go
@@ -7,7 +7,7 @@ import (
 	"sort"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
diff --git a/github/resource_github_issue_label.go b/github/resource_github_issue_label.go
index f510ce2524..a1d55ec480 100644
--- a/github/resource_github_issue_label.go
+++ b/github/resource_github_issue_label.go
@@ -5,7 +5,7 @@ import (
 	"log"
 	"net/http"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_issue_label_test.go b/github/resource_github_issue_label_test.go
index fc7a206460..f0056a14f7 100644
--- a/github/resource_github_issue_label_test.go
+++ b/github/resource_github_issue_label_test.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
diff --git a/github/resource_github_membership.go b/github/resource_github_membership.go
index e52884de9e..317b85a7b7 100644
--- a/github/resource_github_membership.go
+++ b/github/resource_github_membership.go
@@ -5,7 +5,7 @@ import (
 	"log"
 	"net/http"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_membership_test.go b/github/resource_github_membership_test.go
index f12339e41d..6edbe13e08 100644
--- a/github/resource_github_membership_test.go
+++ b/github/resource_github_membership_test.go
@@ -6,7 +6,7 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
 )
diff --git a/github/resource_github_organization_project.go b/github/resource_github_organization_project.go
index 6da40a0436..2be831b728 100644
--- a/github/resource_github_organization_project.go
+++ b/github/resource_github_organization_project.go
@@ -7,7 +7,7 @@ import (
 	"net/http"
 	"strconv"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_organization_project_test.go b/github/resource_github_organization_project_test.go
index 1fbb4b2f12..4c2ae3ef88 100644
--- a/github/resource_github_organization_project_test.go
+++ b/github/resource_github_organization_project_test.go
@@ -7,7 +7,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
 )
diff --git a/github/resource_github_organization_webhook.go b/github/resource_github_organization_webhook.go
index 802fb09676..98baa3e4c4 100644
--- a/github/resource_github_organization_webhook.go
+++ b/github/resource_github_organization_webhook.go
@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"strconv"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_organization_webhook_test.go b/github/resource_github_organization_webhook_test.go
index 7114a8d5f7..291753b93e 100644
--- a/github/resource_github_organization_webhook_test.go
+++ b/github/resource_github_organization_webhook_test.go
@@ -8,7 +8,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
 )
diff --git a/github/resource_github_project_column.go b/github/resource_github_project_column.go
index 2383f62b02..7c6242f35d 100644
--- a/github/resource_github_project_column.go
+++ b/github/resource_github_project_column.go
@@ -7,7 +7,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_project_column_test.go b/github/resource_github_project_column_test.go
index f0d39d0daa..417155a5d2 100644
--- a/github/resource_github_project_column_test.go
+++ b/github/resource_github_project_column_test.go
@@ -6,7 +6,7 @@ import (
 	"strconv"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
 )
diff --git a/github/resource_github_repository.go b/github/resource_github_repository.go
index 5e4d9948e5..3d13d6e97f 100644
--- a/github/resource_github_repository.go
+++ b/github/resource_github_repository.go
@@ -7,7 +7,7 @@ import (
 	"net/http"
 	"regexp"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 	"github.com/hashicorp/terraform/helper/validation"
 )
diff --git a/github/resource_github_repository_collaborator.go b/github/resource_github_repository_collaborator.go
index 3f2013c2d2..1af74c0091 100644
--- a/github/resource_github_repository_collaborator.go
+++ b/github/resource_github_repository_collaborator.go
@@ -6,7 +6,7 @@ import (
 	"log"
 	"strings"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_repository_collaborator_test.go b/github/resource_github_repository_collaborator_test.go
index 3c1fb7882c..dbeba95d3b 100644
--- a/github/resource_github_repository_collaborator_test.go
+++ b/github/resource_github_repository_collaborator_test.go
@@ -8,7 +8,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
diff --git a/github/resource_github_repository_deploy_key.go b/github/resource_github_repository_deploy_key.go
index 8f30f04bb6..3ee2f3efc9 100644
--- a/github/resource_github_repository_deploy_key.go
+++ b/github/resource_github_repository_deploy_key.go
@@ -8,7 +8,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_repository_project.go b/github/resource_github_repository_project.go
index ec6af9801d..7e4fa4868b 100644
--- a/github/resource_github_repository_project.go
+++ b/github/resource_github_repository_project.go
@@ -8,7 +8,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_repository_project_test.go b/github/resource_github_repository_project_test.go
index 524b4eedb0..4b9b25f0e2 100644
--- a/github/resource_github_repository_project_test.go
+++ b/github/resource_github_repository_project_test.go
@@ -8,7 +8,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
diff --git a/github/resource_github_repository_test.go b/github/resource_github_repository_test.go
index 4f1c93d048..b18e8926cd 100644
--- a/github/resource_github_repository_test.go
+++ b/github/resource_github_repository_test.go
@@ -10,7 +10,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
diff --git a/github/resource_github_repository_webhook.go b/github/resource_github_repository_webhook.go
index cbdfe298ca..2442f3a5cb 100644
--- a/github/resource_github_repository_webhook.go
+++ b/github/resource_github_repository_webhook.go
@@ -8,7 +8,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_repository_webhook_test.go b/github/resource_github_repository_webhook_test.go
index 7b2ecda618..11f711dcac 100644
--- a/github/resource_github_repository_webhook_test.go
+++ b/github/resource_github_repository_webhook_test.go
@@ -8,7 +8,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
diff --git a/github/resource_github_team.go b/github/resource_github_team.go
index 05b26aa4cc..0a7fcc020d 100644
--- a/github/resource_github_team.go
+++ b/github/resource_github_team.go
@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"strconv"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_team_membership.go b/github/resource_github_team_membership.go
index 351a701a51..5ba6e4e8a7 100644
--- a/github/resource_github_team_membership.go
+++ b/github/resource_github_team_membership.go
@@ -7,7 +7,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_team_membership_test.go b/github/resource_github_team_membership_test.go
index f2f1ae2cd4..a5d14dbd44 100644
--- a/github/resource_github_team_membership_test.go
+++ b/github/resource_github_team_membership_test.go
@@ -7,7 +7,7 @@ import (
 	"strconv"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
diff --git a/github/resource_github_team_repository.go b/github/resource_github_team_repository.go
index 2aff5ddf2e..bd735bd26f 100644
--- a/github/resource_github_team_repository.go
+++ b/github/resource_github_team_repository.go
@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"strconv"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_team_repository_test.go b/github/resource_github_team_repository_test.go
index b507644933..6eb381c63e 100644
--- a/github/resource_github_team_repository_test.go
+++ b/github/resource_github_team_repository_test.go
@@ -6,7 +6,7 @@ import (
 	"strconv"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
diff --git a/github/resource_github_team_test.go b/github/resource_github_team_test.go
index 29d965ac61..d740a97ddb 100644
--- a/github/resource_github_team_test.go
+++ b/github/resource_github_team_test.go
@@ -6,7 +6,7 @@ import (
 	"strconv"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
diff --git a/github/resource_github_user_gpg_key.go b/github/resource_github_user_gpg_key.go
index 4bc9d8c953..964fed71c5 100644
--- a/github/resource_github_user_gpg_key.go
+++ b/github/resource_github_user_gpg_key.go
@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"strconv"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_user_gpg_key_test.go b/github/resource_github_user_gpg_key_test.go
index ab81a6762f..a90ff99161 100644
--- a/github/resource_github_user_gpg_key_test.go
+++ b/github/resource_github_user_gpg_key_test.go
@@ -8,7 +8,7 @@ import (
 	"strconv"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
 )
diff --git a/github/resource_github_user_ssh_key.go b/github/resource_github_user_ssh_key.go
index 1c64e80637..2aefa88e6b 100644
--- a/github/resource_github_user_ssh_key.go
+++ b/github/resource_github_user_ssh_key.go
@@ -7,7 +7,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/resource_github_user_ssh_key_test.go b/github/resource_github_user_ssh_key_test.go
index 654ddabc1e..6dee167a80 100644
--- a/github/resource_github_user_ssh_key_test.go
+++ b/github/resource_github_user_ssh_key_test.go
@@ -7,7 +7,7 @@ import (
 	"strconv"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
diff --git a/github/resource_organization_block.go b/github/resource_organization_block.go
index 10db28f9af..4878856fb3 100644
--- a/github/resource_organization_block.go
+++ b/github/resource_organization_block.go
@@ -5,7 +5,7 @@ import (
 	"log"
 	"net/http"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
diff --git a/github/transport.go b/github/transport.go
index b436af47e5..d290dbd02a 100644
--- a/github/transport.go
+++ b/github/transport.go
@@ -9,7 +9,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 )
 
 const (
diff --git a/github/transport_test.go b/github/transport_test.go
index e4ba10173c..f7c9382831 100644
--- a/github/transport_test.go
+++ b/github/transport_test.go
@@ -10,7 +10,7 @@ import (
 	"net/url"
 	"testing"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 )
 
 func TestEtagTransport(t *testing.T) {
diff --git a/github/util_permissions.go b/github/util_permissions.go
index f4116b911e..2c177bbc98 100644
--- a/github/util_permissions.go
+++ b/github/util_permissions.go
@@ -4,7 +4,7 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/google/go-github/v25/github"
+	"github.com/google/go-github/v28/github"
 )
 
 const (
diff --git a/go.mod b/go.mod
index 92ddb4a7f6..10eb37901d 100644
--- a/go.mod
+++ b/go.mod
@@ -1,7 +1,7 @@
 module github.com/terraform-providers/terraform-provider-github
 
 require (
-	github.com/google/go-github/v25 v25.1.3
+	github.com/google/go-github/v28 v28.1.1
 	github.com/hashicorp/terraform v0.12.7
 	github.com/kylelemons/godebug v1.1.0
 	github.com/terraform-providers/terraform-provider-tls v1.2.0
diff --git a/go.sum b/go.sum
index 9ef4467d7c..db7f141e23 100644
--- a/go.sum
+++ b/go.sum
@@ -131,8 +131,8 @@ github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-github v17.0.0+incompatible h1:N0LgJ1j65A7kfXrZnUDaYCs/Sf4rEjNlfyDHW9dolSY=
 github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ=
-github.com/google/go-github/v25 v25.1.3 h1:Ht4YIQgUh4l4lc80fvGnw60khXysXvlgPxPP8uJG3EA=
-github.com/google/go-github/v25 v25.1.3/go.mod h1:6z5pC69qHtrPJ0sXPsj4BLnd82b+r6sLB7qcBoRZqpw=
+github.com/google/go-github/v28 v28.1.1 h1:kORf5ekX5qwXO2mGzXXOjMe/g6ap8ahVe0sBEulhSxo=
+github.com/google/go-github/v28 v28.1.1/go.mod h1:bsqJWQX05omyWVmc00nEUql9mhQyv38lDZ8kPZcQVoM=
 github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASuANWTrk=
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
 github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
diff --git a/vendor/github.com/google/go-github/v25/AUTHORS b/vendor/github.com/google/go-github/v28/AUTHORS
similarity index 94%
rename from vendor/github.com/google/go-github/v25/AUTHORS
rename to vendor/github.com/google/go-github/v28/AUTHORS
index 5789fed146..fa0f1abc93 100644
--- a/vendor/github.com/google/go-github/v25/AUTHORS
+++ b/vendor/github.com/google/go-github/v28/AUTHORS
@@ -10,7 +10,9 @@
 
 178inaba <masahiro.furudate@gmail.com>
 Abhinav Gupta <mail@abhinavg.net>
+adrienzieba <adrien.zieba@appdirect.com>
 Ahmed Hagy <a.akram93@gmail.com>
+Aidan Steele <aidan.steele@glassechidna.com.au>
 Ainsley Chong <ainsley.chong@gmail.com>
 Akeda Bagus <akeda@x-team.com>
 Akhil Mohan <akhilerm@gmail.com>
@@ -25,6 +27,7 @@ Andrew Ryabchun <aryabchun@mail.ua>
 Andy Grunwald <andygrunwald@gmail.com>
 Andy Hume <andyhume@gmail.com>
 Andy Lindeman <andy@lindeman.io>
+anjanashenoy <anjanashenoy1@gmail.com>
 Anshuman Bhartiya <anshuman.bhartiya@gmail.com>
 Antoine <antoine.tu@mail.mcgill.ca>
 Antoine Pelisse <apelisse@gmail.com>
@@ -56,6 +59,7 @@ Chris King <chriskingnet@gmail.com>
 Chris Roche <chris@vsco.co>
 Chris Schaefer <chris@dtzq.com>
 chrisforrette <chris@chrisforrette.com>
+Christian Muehlhaeuser <muesli@gmail.com>
 Christoph Sassenberg <defsprite@gmail.com>
 Colin Misare <github.com/cmisare>
 Craig Peterson <cpeterson@stackoverflow.com>
@@ -67,6 +71,7 @@ Dave Du Cros <davidducros@gmail.com>
 Dave Henderson <dhenderson@gmail.com>
 David Deng <daviddengcn@gmail.com>
 David Jannotta <djannotta@gmail.com>
+David Ji <github.com/davidji99>
 Davide Zipeto <dawez1@gmail.com>
 Dennis Webb <dennis@bluesentryit.com>
 Dhi Aurrahman <diorahman@rockybars.com>
@@ -82,6 +87,7 @@ Emerson Wood <emersonwood94@gmail.com>
 eperm <staffordworrell@gmail.com>
 Erick Fejta <erick@fejta.com>
 erwinvaneyk <erwinvaneyk@gmail.com>
+Evan Elias <evanjelias@gmail.com>
 Fabrice <fabrice.vaillant@student.ecp.fr>
 Felix Geisendörfer <felix@debuggable.com>
 Filippo Valsorda <hi@filippo.io>
@@ -127,6 +133,7 @@ jpbelanger-mtl <jp.belanger@gmail.com>
 Juan Basso <jrbasso@gmail.com>
 Julien Garcia Gonzalez <garciagonzalez.julien@gmail.com>
 Julien Rostand <jrostand@users.noreply.github.com>
+Junya Kono <junya03dance@gmail.com>
 Justin Abrahms <justin@abrah.ms>
 Jusung Lee <e.jusunglee@gmail.com>
 jzhoucliqr <jzhou@cliqr.com>
@@ -149,8 +156,10 @@ Luke Kysow <lkysow@gmail.com>
 Luke Roberts <email@luke-roberts.co.uk>
 Luke Young <luke@hydrantlabs.org>
 Maksim Zhylinski <uzzable@gmail.com>
+Mark Tareshawty <tarebyte@github.com>
 Martin-Louis Bright <mlbright@gmail.com>
 Marwan Sulaiman <marwan.sameer@gmail.com>
+Masayuki Izumi <m@izum.in>
 Mat Geist <matgeist@gmail.com>
 Matt <alpmatthew@gmail.com>
 Matt Brender <mjbrender@gmail.com>
@@ -181,6 +190,7 @@ Pete Wagner <thepwagner@github.com>
 Petr Shevtsov <petr.shevtsov@gmail.com>
 Pierre Carrier <pierre@meteor.com>
 Piotr Zurek <p.zurek@gmail.com>
+Quentin Leffray <fiahil@gmail.com>
 Quinn Slack <qslack@qslack.com>
 Rackspace US, Inc.
 Radek Simko <radek.simko@gmail.com>
@@ -190,6 +200,7 @@ Ranbir Singh <binkkatal.r@gmail.com>
 RaviTeja Pothana <ravi-teja@live.com>
 rc1140 <jameel@republiccommandos.co.za>
 Red Hat, Inc.
+Ricco Førgaard <ricco@fiskeben.dk>
 Rob Figueiredo <robfig@yext.com>
 Rohit Upadhyay <urohit011@gmail.com>
 Ronak Jain <ronakjain@outlook.in>
@@ -212,10 +223,13 @@ Shagun Khemka <shagun.khemka60@gmail.com>
 shakeelrao <shakeelrao79@gmail.com>
 Shawn Catanzarite <me@shawncatz.com>
 Shawn Smith <shawnpsmith@gmail.com>
+Shrikrishna Singh <krishnasingh.ss30@gmail.com>
 sona-tar <sona.zip@gmail.com>
 SoundCloud, Ltd.
 Sridhar Mocherla <srmocher@microsoft.com>
+SriVignessh Pss <sriknowledge@gmail.com>
 Stian Eikeland <stian@eikeland.se>
+Szymon Kodrebski <simonkey007@gmail.com>
 Tasya Aditya Rukmana <tadityar@gmail.com>
 Thomas Bruyelle <thomas.bruyelle@gmail.com>
 Timothée Peignier <timothee.peignier@tryphon.org>
@@ -229,6 +243,7 @@ Vlad Ungureanu <vladu@palantir.com>
 Wasim Thabraze <wasim@thabraze.me>
 Will Maier <wcmaier@gmail.com>
 William Bailey <mail@williambailey.org.uk>
+William Cooke <pipeston@gmail.com>
 xibz <impactbchang@gmail.com>
 Yann Malet <yann.malet@gmail.com>
 Yannick Utard <yannickutard@gmail.com>
diff --git a/vendor/github.com/google/go-github/v25/LICENSE b/vendor/github.com/google/go-github/v28/LICENSE
similarity index 100%
rename from vendor/github.com/google/go-github/v25/LICENSE
rename to vendor/github.com/google/go-github/v28/LICENSE
diff --git a/vendor/github.com/google/go-github/v25/github/activity.go b/vendor/github.com/google/go-github/v28/github/activity.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/activity.go
rename to vendor/github.com/google/go-github/v28/github/activity.go
diff --git a/vendor/github.com/google/go-github/v25/github/activity_events.go b/vendor/github.com/google/go-github/v28/github/activity_events.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/activity_events.go
rename to vendor/github.com/google/go-github/v28/github/activity_events.go
diff --git a/vendor/github.com/google/go-github/v25/github/activity_notifications.go b/vendor/github.com/google/go-github/v28/github/activity_notifications.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/activity_notifications.go
rename to vendor/github.com/google/go-github/v28/github/activity_notifications.go
diff --git a/vendor/github.com/google/go-github/v25/github/activity_star.go b/vendor/github.com/google/go-github/v28/github/activity_star.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/activity_star.go
rename to vendor/github.com/google/go-github/v28/github/activity_star.go
diff --git a/vendor/github.com/google/go-github/v25/github/activity_watching.go b/vendor/github.com/google/go-github/v28/github/activity_watching.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/activity_watching.go
rename to vendor/github.com/google/go-github/v28/github/activity_watching.go
diff --git a/vendor/github.com/google/go-github/v25/github/admin.go b/vendor/github.com/google/go-github/v28/github/admin.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/admin.go
rename to vendor/github.com/google/go-github/v28/github/admin.go
diff --git a/vendor/github.com/google/go-github/v28/github/admin_orgs.go b/vendor/github.com/google/go-github/v28/github/admin_orgs.go
new file mode 100644
index 0000000000..f063831085
--- /dev/null
+++ b/vendor/github.com/google/go-github/v28/github/admin_orgs.go
@@ -0,0 +1,43 @@
+// Copyright 2019 The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package github
+
+import "context"
+
+// createOrgRequest is a subset of Organization and is used internally
+// by CreateOrg to pass only the known fields for the endpoint.
+type createOrgRequest struct {
+	Login *string `json:"login,omitempty"`
+	Admin *string `json:"admin,omitempty"`
+}
+
+// CreateOrg creates a new organization in GitHub Enterprise.
+//
+// Note that only a subset of the org fields are used and org must
+// not be nil.
+//
+// GitHub Enterprise API docs: https://developer.github.com/enterprise/v3/enterprise-admin/orgs/#create-an-organization
+func (s *AdminService) CreateOrg(ctx context.Context, org *Organization, admin string) (*Organization, *Response, error) {
+	u := "admin/organizations"
+
+	orgReq := &createOrgRequest{
+		Login: org.Login,
+		Admin: &admin,
+	}
+
+	req, err := s.client.NewRequest("POST", u, orgReq)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	o := new(Organization)
+	resp, err := s.client.Do(ctx, req, o)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return o, resp, nil
+}
diff --git a/vendor/github.com/google/go-github/v25/github/admin_stats.go b/vendor/github.com/google/go-github/v28/github/admin_stats.go
similarity index 97%
rename from vendor/github.com/google/go-github/v25/github/admin_stats.go
rename to vendor/github.com/google/go-github/v28/github/admin_stats.go
index b5645f8c17..dabefde3e7 100644
--- a/vendor/github.com/google/go-github/v25/github/admin_stats.go
+++ b/vendor/github.com/google/go-github/v28/github/admin_stats.go
@@ -10,7 +10,7 @@ import (
 	"fmt"
 )
 
-// AdminStats represents a variety of stats of a Github Enterprise
+// AdminStats represents a variety of stats of a GitHub Enterprise
 // installation.
 type AdminStats struct {
 	Issues     *IssueStats     `json:"issues,omitempty"`
@@ -147,7 +147,7 @@ func (s RepoStats) String() string {
 	return Stringify(s)
 }
 
-// GetAdminStats returns a variety of metrics about a Github Enterprise
+// GetAdminStats returns a variety of metrics about a GitHub Enterprise
 // installation.
 //
 // Please note that this is only available to site administrators,
diff --git a/vendor/github.com/google/go-github/v28/github/admin_users.go b/vendor/github.com/google/go-github/v28/github/admin_users.go
new file mode 100644
index 0000000000..ea7a47d31c
--- /dev/null
+++ b/vendor/github.com/google/go-github/v28/github/admin_users.go
@@ -0,0 +1,61 @@
+// Copyright 2019 The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package github
+
+import (
+	"context"
+)
+
+// createUserRequest is a subset of User and is used internally
+// by CreateUser to pass only the known fields for the endpoint.
+type createUserRequest struct {
+	Login *string `json:"login,omitempty"`
+	Email *string `json:"email,omitempty"`
+}
+
+// CreateUser creates a new user in GitHub Enterprise.
+//
+// GitHub Enterprise API docs: https://developer.github.com/enterprise/v3/enterprise-admin/users/#create-a-new-user
+func (s *AdminService) CreateUser(ctx context.Context, login, email string) (*User, *Response, error) {
+	u := "admin/users"
+
+	userReq := &createUserRequest{
+		Login: &login,
+		Email: &email,
+	}
+
+	req, err := s.client.NewRequest("POST", u, userReq)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var user User
+	resp, err := s.client.Do(ctx, req, &user)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return &user, resp, nil
+}
+
+// DeleteUser deletes a user in GitHub Enterprise.
+//
+// GitHub Enterprise API docs: https://developer.github.com/enterprise/v3/enterprise-admin/users/#delete-a-user
+func (s *AdminService) DeleteUser(ctx context.Context, username string) (*Response, error) {
+	u := "admin/users/" + username
+
+	req, err := s.client.NewRequest("DELETE", u, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := s.client.Do(ctx, req, nil)
+	if err != nil {
+		return resp, err
+	}
+
+	return resp, nil
+}
diff --git a/vendor/github.com/google/go-github/v25/github/apps.go b/vendor/github.com/google/go-github/v28/github/apps.go
similarity index 73%
rename from vendor/github.com/google/go-github/v25/github/apps.go
rename to vendor/github.com/google/go-github/v28/github/apps.go
index 1ad9a9818f..5041e80128 100644
--- a/vendor/github.com/google/go-github/v25/github/apps.go
+++ b/vendor/github.com/google/go-github/v28/github/apps.go
@@ -26,22 +26,59 @@ type App struct {
 	Description *string    `json:"description,omitempty"`
 	ExternalURL *string    `json:"external_url,omitempty"`
 	HTMLURL     *string    `json:"html_url,omitempty"`
-	CreatedAt   *time.Time `json:"created_at,omitempty"`
-	UpdatedAt   *time.Time `json:"updated_at,omitempty"`
+	CreatedAt   *Timestamp `json:"created_at,omitempty"`
+	UpdatedAt   *Timestamp `json:"updated_at,omitempty"`
 }
 
 // InstallationToken represents an installation token.
 type InstallationToken struct {
-	Token     *string    `json:"token,omitempty"`
-	ExpiresAt *time.Time `json:"expires_at,omitempty"`
+	Token        *string                  `json:"token,omitempty"`
+	ExpiresAt    *time.Time               `json:"expires_at,omitempty"`
+	Permissions  *InstallationPermissions `json:"permissions,omitempty"`
+	Repositories []*Repository            `json:"repositories,omitempty"`
 }
 
-// InstallationPermissions lists the permissions for metadata, contents, issues and single file for an installation.
+// InstallationTokenOptions allow restricting a token's access to specific repositories.
+type InstallationTokenOptions struct {
+	// The IDs of the repositories that the installation token can access.
+	// Providing repository IDs restricts the access of an installation token to specific repositories.
+	RepositoryIDs []int64 `json:"repository_ids,omitempty"`
+
+	// The permissions granted to the access token.
+	// The permissions object includes the permission names and their access type.
+	Permissions *InstallationPermissions `json:"permissions,omitempty"`
+}
+
+// InstallationPermissions lists the repository and organization permissions for an installation.
+//
+// Permission names taken from:
+//   https://developer.github.com/v3/apps/permissions/
+//   https://developer.github.com/enterprise/v3/apps/permissions/
 type InstallationPermissions struct {
-	Metadata   *string `json:"metadata,omitempty"`
-	Contents   *string `json:"contents,omitempty"`
-	Issues     *string `json:"issues,omitempty"`
-	SingleFile *string `json:"single_file,omitempty"`
+	Administration              *string `json:"administration,omitempty"`
+	Checks                      *string `json:"checks,omitempty"`
+	Contents                    *string `json:"contents,omitempty"`
+	ContentReferences           *string `json:"content_references,omitempty"`
+	Deployments                 *string `json:"deployments,omitempty"`
+	Issues                      *string `json:"issues,omitempty"`
+	Metadata                    *string `json:"metadata,omitempty"`
+	Members                     *string `json:"members,omitempty"`
+	OrganizationAdministration  *string `json:"organization_administration,omitempty"`
+	OrganizationHooks           *string `json:"organization_hooks,omitempty"`
+	OrganizationPlan            *string `json:"organization_plan,omitempty"`
+	OrganizationPreReceiveHooks *string `json:"organization_pre_receive_hooks,omitempty"`
+	OrganizationProjects        *string `json:"organization_projects,omitempty"`
+	OrganizationUserBlocking    *string `json:"organization_user_blocking,omitempty"`
+	Packages                    *string `json:"packages,omitempty"`
+	Pages                       *string `json:"pages,omitempty"`
+	PullRequests                *string `json:"pull_requests,omitempty"`
+	RepositoryHooks             *string `json:"repository_hooks,omitempty"`
+	RepositoryProjects          *string `json:"repository_projects,omitempty"`
+	RepositoryPreReceiveHooks   *string `json:"repository_pre_receive_hooks,omitempty"`
+	SingleFile                  *string `json:"single_file,omitempty"`
+	Statuses                    *string `json:"statuses,omitempty"`
+	TeamDiscussions             *string `json:"team_discussions,omitempty"`
+	VulnerabilityAlerts         *string `json:"vulnerability_alerts,omitempty"`
 }
 
 // Installation represents a GitHub Apps installation.
@@ -170,10 +207,10 @@ func (s *AppsService) ListUserInstallations(ctx context.Context, opt *ListOption
 // CreateInstallationToken creates a new installation token.
 //
 // GitHub API docs: https://developer.github.com/v3/apps/#create-a-new-installation-token
-func (s *AppsService) CreateInstallationToken(ctx context.Context, id int64) (*InstallationToken, *Response, error) {
+func (s *AppsService) CreateInstallationToken(ctx context.Context, id int64, opt *InstallationTokenOptions) (*InstallationToken, *Response, error) {
 	u := fmt.Sprintf("app/installations/%v/access_tokens", id)
 
-	req, err := s.client.NewRequest("POST", u, nil)
+	req, err := s.client.NewRequest("POST", u, opt)
 	if err != nil {
 		return nil, nil, err
 	}
diff --git a/vendor/github.com/google/go-github/v25/github/apps_installation.go b/vendor/github.com/google/go-github/v28/github/apps_installation.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/apps_installation.go
rename to vendor/github.com/google/go-github/v28/github/apps_installation.go
diff --git a/vendor/github.com/google/go-github/v25/github/apps_marketplace.go b/vendor/github.com/google/go-github/v28/github/apps_marketplace.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/apps_marketplace.go
rename to vendor/github.com/google/go-github/v28/github/apps_marketplace.go
diff --git a/vendor/github.com/google/go-github/v25/github/authorizations.go b/vendor/github.com/google/go-github/v28/github/authorizations.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/authorizations.go
rename to vendor/github.com/google/go-github/v28/github/authorizations.go
diff --git a/vendor/github.com/google/go-github/v25/github/checks.go b/vendor/github.com/google/go-github/v28/github/checks.go
similarity index 99%
rename from vendor/github.com/google/go-github/v25/github/checks.go
rename to vendor/github.com/google/go-github/v28/github/checks.go
index 342915085e..0c88cbb58a 100644
--- a/vendor/github.com/google/go-github/v25/github/checks.go
+++ b/vendor/github.com/google/go-github/v28/github/checks.go
@@ -54,6 +54,8 @@ type CheckRunAnnotation struct {
 	BlobHRef        *string `json:"blob_href,omitempty"`
 	StartLine       *int    `json:"start_line,omitempty"`
 	EndLine         *int    `json:"end_line,omitempty"`
+	StartColumn     *int    `json:"start_column,omitempty"`
+	EndColumn       *int    `json:"end_column,omitempty"`
 	AnnotationLevel *string `json:"annotation_level,omitempty"`
 	Message         *string `json:"message,omitempty"`
 	Title           *string `json:"title,omitempty"`
diff --git a/vendor/github.com/google/go-github/v25/github/doc.go b/vendor/github.com/google/go-github/v28/github/doc.go
similarity index 99%
rename from vendor/github.com/google/go-github/v25/github/doc.go
rename to vendor/github.com/google/go-github/v28/github/doc.go
index b82440c341..8adfdc1d49 100644
--- a/vendor/github.com/google/go-github/v25/github/doc.go
+++ b/vendor/github.com/google/go-github/v28/github/doc.go
@@ -8,7 +8,7 @@ Package github provides a client for using the GitHub API.
 
 Usage:
 
-	import "github.com/google/go-github/v25/github"	// with go modules enabled (GO111MODULE=on or outside GOPATH)
+	import "github.com/google/go-github/v28/github"	// with go modules enabled (GO111MODULE=on or outside GOPATH)
 	import "github.com/google/go-github/github"     // with go modules disabled
 
 Construct a new GitHub client, then use the various services on the client to
diff --git a/vendor/github.com/google/go-github/v25/github/event.go b/vendor/github.com/google/go-github/v28/github/event.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/event.go
rename to vendor/github.com/google/go-github/v28/github/event.go
diff --git a/vendor/github.com/google/go-github/v25/github/event_types.go b/vendor/github.com/google/go-github/v28/github/event_types.go
similarity index 99%
rename from vendor/github.com/google/go-github/v25/github/event_types.go
rename to vendor/github.com/google/go-github/v28/github/event_types.go
index 8ba922a2b7..d3e2123547 100644
--- a/vendor/github.com/google/go-github/v25/github/event_types.go
+++ b/vendor/github.com/google/go-github/v28/github/event_types.go
@@ -707,6 +707,7 @@ type PushEventRepository struct {
 	PushedAt        *Timestamp `json:"pushed_at,omitempty"`
 	UpdatedAt       *Timestamp `json:"updated_at,omitempty"`
 	Homepage        *string    `json:"homepage,omitempty"`
+	PullsURL        *string    `json:"pulls_url,omitempty"`
 	Size            *int       `json:"size,omitempty"`
 	StargazersCount *int       `json:"stargazers_count,omitempty"`
 	WatchersCount   *int       `json:"watchers_count,omitempty"`
diff --git a/vendor/github.com/google/go-github/v25/github/gen-accessors.go b/vendor/github.com/google/go-github/v28/github/gen-accessors.go
similarity index 97%
rename from vendor/github.com/google/go-github/v25/github/gen-accessors.go
rename to vendor/github.com/google/go-github/v28/github/gen-accessors.go
index fe92206fcf..4c5e8eec7e 100644
--- a/vendor/github.com/google/go-github/v25/github/gen-accessors.go
+++ b/vendor/github.com/google/go-github/v28/github/gen-accessors.go
@@ -7,8 +7,9 @@
 
 // gen-accessors generates accessor methods for structs with pointer fields.
 //
-// It is meant to be used by the go-github authors in conjunction with the
-// go generate tool before sending a commit to GitHub.
+// It is meant to be used by go-github contributors in conjunction with the
+// go generate tool before sending a PR to GitHub.
+// Please see the CONTRIBUTING.md file for more information.
 package main
 
 import (
diff --git a/vendor/github.com/google/go-github/v28/github/gen-stringify-test.go b/vendor/github.com/google/go-github/v28/github/gen-stringify-test.go
new file mode 100644
index 0000000000..7803801e63
--- /dev/null
+++ b/vendor/github.com/google/go-github/v28/github/gen-stringify-test.go
@@ -0,0 +1,358 @@
+// Copyright 2019 The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+// gen-stringify-test generates test methods to test the String methods.
+//
+// These tests eliminate most of the code coverage problems so that real
+// code coverage issues can be more readily identified.
+//
+// It is meant to be used by go-github contributors in conjunction with the
+// go generate tool before sending a PR to GitHub.
+// Please see the CONTRIBUTING.md file for more information.
+package main
+
+import (
+	"bytes"
+	"flag"
+	"fmt"
+	"go/ast"
+	"go/format"
+	"go/parser"
+	"go/token"
+	"io/ioutil"
+	"log"
+	"os"
+	"strings"
+	"text/template"
+)
+
+const (
+	ignoreFilePrefix1 = "gen-"
+	ignoreFilePrefix2 = "github-"
+	outputFileSuffix  = "-stringify_test.go"
+)
+
+var (
+	verbose = flag.Bool("v", false, "Print verbose log messages")
+
+	// blacklistStructMethod lists "struct.method" combos to skip.
+	blacklistStructMethod = map[string]bool{}
+	// blacklistStruct lists structs to skip.
+	blacklistStruct = map[string]bool{
+		"RateLimits": true,
+	}
+
+	funcMap = template.FuncMap{
+		"isNotLast": func(index int, slice []*structField) string {
+			if index+1 < len(slice) {
+				return ", "
+			}
+			return ""
+		},
+		"processZeroValue": func(v string) string {
+			switch v {
+			case "Bool(false)":
+				return "false"
+			case "Float64(0.0)":
+				return "0"
+			case "0", "Int(0)", "Int64(0)":
+				return "0"
+			case `""`, `String("")`:
+				return `""`
+			case "Timestamp{}", "&Timestamp{}":
+				return "github.Timestamp{0001-01-01 00:00:00 +0000 UTC}"
+			case "nil":
+				return "map[]"
+			}
+			log.Fatalf("Unhandled zero value: %q", v)
+			return ""
+		},
+	}
+
+	sourceTmpl = template.Must(template.New("source").Funcs(funcMap).Parse(source))
+)
+
+func main() {
+	flag.Parse()
+	fset := token.NewFileSet()
+
+	pkgs, err := parser.ParseDir(fset, ".", sourceFilter, 0)
+	if err != nil {
+		log.Fatal(err)
+		return
+	}
+
+	for pkgName, pkg := range pkgs {
+		t := &templateData{
+			filename:     pkgName + outputFileSuffix,
+			Year:         2019, // No need to change this once set (even in following years).
+			Package:      pkgName,
+			Imports:      map[string]string{"testing": "testing"},
+			StringFuncs:  map[string]bool{},
+			StructFields: map[string][]*structField{},
+		}
+		for filename, f := range pkg.Files {
+			logf("Processing %v...", filename)
+			if err := t.processAST(f); err != nil {
+				log.Fatal(err)
+			}
+		}
+		if err := t.dump(); err != nil {
+			log.Fatal(err)
+		}
+	}
+	logf("Done.")
+}
+
+func sourceFilter(fi os.FileInfo) bool {
+	return !strings.HasSuffix(fi.Name(), "_test.go") &&
+		!strings.HasPrefix(fi.Name(), ignoreFilePrefix1) &&
+		!strings.HasPrefix(fi.Name(), ignoreFilePrefix2)
+}
+
+type templateData struct {
+	filename     string
+	Year         int
+	Package      string
+	Imports      map[string]string
+	StringFuncs  map[string]bool
+	StructFields map[string][]*structField
+}
+
+type structField struct {
+	sortVal      string // Lower-case version of "ReceiverType.FieldName".
+	ReceiverVar  string // The one-letter variable name to match the ReceiverType.
+	ReceiverType string
+	FieldName    string
+	FieldType    string
+	ZeroValue    string
+	NamedStruct  bool // Getter for named struct.
+}
+
+func (t *templateData) processAST(f *ast.File) error {
+	for _, decl := range f.Decls {
+		fn, ok := decl.(*ast.FuncDecl)
+		if ok {
+			if fn.Recv != nil && len(fn.Recv.List) > 0 {
+				id, ok := fn.Recv.List[0].Type.(*ast.Ident)
+				if ok && fn.Name.Name == "String" {
+					logf("Got FuncDecl: Name=%q, id.Name=%#v", fn.Name.Name, id.Name)
+					t.StringFuncs[id.Name] = true
+				} else {
+					logf("Ignoring FuncDecl: Name=%q, Type=%T", fn.Name.Name, fn.Recv.List[0].Type)
+				}
+			} else {
+				logf("Ignoring FuncDecl: Name=%q, fn=%#v", fn.Name.Name, fn)
+			}
+			continue
+		}
+
+		gd, ok := decl.(*ast.GenDecl)
+		if !ok {
+			logf("Ignoring AST decl type %T", decl)
+			continue
+		}
+		for _, spec := range gd.Specs {
+			ts, ok := spec.(*ast.TypeSpec)
+			if !ok {
+				continue
+			}
+			// Skip unexported identifiers.
+			if !ts.Name.IsExported() {
+				logf("Struct %v is unexported; skipping.", ts.Name)
+				continue
+			}
+			// Check if the struct is blacklisted.
+			if blacklistStruct[ts.Name.Name] {
+				logf("Struct %v is blacklisted; skipping.", ts.Name)
+				continue
+			}
+			st, ok := ts.Type.(*ast.StructType)
+			if !ok {
+				logf("Ignoring AST type %T, Name=%q", ts.Type, ts.Name.String())
+				continue
+			}
+			for _, field := range st.Fields.List {
+				if len(field.Names) == 0 {
+					continue
+				}
+
+				fieldName := field.Names[0]
+				if id, ok := field.Type.(*ast.Ident); ok {
+					t.addIdent(id, ts.Name.String(), fieldName.String())
+					continue
+				}
+
+				if _, ok := field.Type.(*ast.MapType); ok {
+					t.addMapType(ts.Name.String(), fieldName.String())
+					continue
+				}
+
+				se, ok := field.Type.(*ast.StarExpr)
+				if !ok {
+					logf("Ignoring type %T for Name=%q, FieldName=%q", field.Type, ts.Name.String(), fieldName.String())
+					continue
+				}
+
+				// Skip unexported identifiers.
+				if !fieldName.IsExported() {
+					logf("Field %v is unexported; skipping.", fieldName)
+					continue
+				}
+				// Check if "struct.method" is blacklisted.
+				if key := fmt.Sprintf("%v.Get%v", ts.Name, fieldName); blacklistStructMethod[key] {
+					logf("Method %v is blacklisted; skipping.", key)
+					continue
+				}
+
+				switch x := se.X.(type) {
+				case *ast.ArrayType:
+				case *ast.Ident:
+					t.addIdentPtr(x, ts.Name.String(), fieldName.String())
+				case *ast.MapType:
+				case *ast.SelectorExpr:
+				default:
+					logf("processAST: type %q, field %q, unknown %T: %+v", ts.Name, fieldName, x, x)
+				}
+			}
+		}
+	}
+	return nil
+}
+
+func (t *templateData) addMapType(receiverType, fieldName string) {
+	t.StructFields[receiverType] = append(t.StructFields[receiverType], newStructField(receiverType, fieldName, "map[]", "nil", false))
+}
+
+func (t *templateData) addIdent(x *ast.Ident, receiverType, fieldName string) {
+	var zeroValue string
+	var namedStruct = false
+	switch x.String() {
+	case "int":
+		zeroValue = "0"
+	case "int64":
+		zeroValue = "0"
+	case "float64":
+		zeroValue = "0.0"
+	case "string":
+		zeroValue = `""`
+	case "bool":
+		zeroValue = "false"
+	case "Timestamp":
+		zeroValue = "Timestamp{}"
+	default:
+		zeroValue = "nil"
+		namedStruct = true
+	}
+
+	t.StructFields[receiverType] = append(t.StructFields[receiverType], newStructField(receiverType, fieldName, x.String(), zeroValue, namedStruct))
+}
+
+func (t *templateData) addIdentPtr(x *ast.Ident, receiverType, fieldName string) {
+	var zeroValue string
+	var namedStruct = false
+	switch x.String() {
+	case "int":
+		zeroValue = "Int(0)"
+	case "int64":
+		zeroValue = "Int64(0)"
+	case "float64":
+		zeroValue = "Float64(0.0)"
+	case "string":
+		zeroValue = `String("")`
+	case "bool":
+		zeroValue = "Bool(false)"
+	case "Timestamp":
+		zeroValue = "&Timestamp{}"
+	default:
+		zeroValue = "nil"
+		namedStruct = true
+	}
+
+	t.StructFields[receiverType] = append(t.StructFields[receiverType], newStructField(receiverType, fieldName, x.String(), zeroValue, namedStruct))
+}
+
+func (t *templateData) dump() error {
+	if len(t.StructFields) == 0 {
+		logf("No StructFields for %v; skipping.", t.filename)
+		return nil
+	}
+
+	// Remove unused structs.
+	var toDelete []string
+	for k := range t.StructFields {
+		if !t.StringFuncs[k] {
+			toDelete = append(toDelete, k)
+			continue
+		}
+	}
+	for _, k := range toDelete {
+		delete(t.StructFields, k)
+	}
+
+	var buf bytes.Buffer
+	if err := sourceTmpl.Execute(&buf, t); err != nil {
+		return err
+	}
+	clean, err := format.Source(buf.Bytes())
+	if err != nil {
+		log.Printf("failed-to-format source:\n%v", buf.String())
+		return err
+	}
+
+	logf("Writing %v...", t.filename)
+	return ioutil.WriteFile(t.filename, clean, 0644)
+}
+
+func newStructField(receiverType, fieldName, fieldType, zeroValue string, namedStruct bool) *structField {
+	return &structField{
+		sortVal:      strings.ToLower(receiverType) + "." + strings.ToLower(fieldName),
+		ReceiverVar:  strings.ToLower(receiverType[:1]),
+		ReceiverType: receiverType,
+		FieldName:    fieldName,
+		FieldType:    fieldType,
+		ZeroValue:    zeroValue,
+		NamedStruct:  namedStruct,
+	}
+}
+
+func logf(fmt string, args ...interface{}) {
+	if *verbose {
+		log.Printf(fmt, args...)
+	}
+}
+
+const source = `// Copyright {{.Year}} The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Code generated by gen-stringify-tests; DO NOT EDIT.
+
+package {{ $package := .Package}}{{$package}}
+{{with .Imports}}
+import (
+  {{- range . -}}
+  "{{.}}"
+  {{end -}}
+)
+{{end}}
+func Float64(v float64) *float64 { return &v }
+{{range $key, $value := .StructFields}}
+func Test{{ $key }}_String(t *testing.T) {
+  v := {{ $key }}{ {{range .}}{{if .NamedStruct}}
+    {{ .FieldName }}: &{{ .FieldType }}{},{{else}}
+    {{ .FieldName }}: {{.ZeroValue}},{{end}}{{end}}
+  }
+ 	want := ` + "`" + `{{ $package }}.{{ $key }}{{ $slice := . }}{
+{{- range $ind, $val := .}}{{if .NamedStruct}}{{ .FieldName }}:{{ $package }}.{{ .FieldType }}{}{{else}}{{ .FieldName }}:{{ processZeroValue .ZeroValue }}{{end}}{{ isNotLast $ind $slice }}{{end}}}` + "`" + `
+	if got := v.String(); got != want {
+		t.Errorf("{{ $key }}.String = %v, want %v", got, want)
+	}
+}
+{{end}}
+`
diff --git a/vendor/github.com/google/go-github/v25/github/gists.go b/vendor/github.com/google/go-github/v28/github/gists.go
similarity index 98%
rename from vendor/github.com/google/go-github/v25/github/gists.go
rename to vendor/github.com/google/go-github/v28/github/gists.go
index 15e0bc2cd9..36d9361967 100644
--- a/vendor/github.com/google/go-github/v25/github/gists.go
+++ b/vendor/github.com/google/go-github/v28/github/gists.go
@@ -341,8 +341,13 @@ func (s *GistsService) Fork(ctx context.Context, id string) (*Gist, *Response, e
 // ListForks lists forks of a gist.
 //
 // GitHub API docs: https://developer.github.com/v3/gists/#list-gist-forks
-func (s *GistsService) ListForks(ctx context.Context, id string) ([]*GistFork, *Response, error) {
+func (s *GistsService) ListForks(ctx context.Context, id string, opt *ListOptions) ([]*GistFork, *Response, error) {
 	u := fmt.Sprintf("gists/%v/forks", id)
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
 	req, err := s.client.NewRequest("GET", u, nil)
 	if err != nil {
 		return nil, nil, err
diff --git a/vendor/github.com/google/go-github/v25/github/gists_comments.go b/vendor/github.com/google/go-github/v28/github/gists_comments.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/gists_comments.go
rename to vendor/github.com/google/go-github/v28/github/gists_comments.go
diff --git a/vendor/github.com/google/go-github/v25/github/git.go b/vendor/github.com/google/go-github/v28/github/git.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/git.go
rename to vendor/github.com/google/go-github/v28/github/git.go
diff --git a/vendor/github.com/google/go-github/v25/github/git_blobs.go b/vendor/github.com/google/go-github/v28/github/git_blobs.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/git_blobs.go
rename to vendor/github.com/google/go-github/v28/github/git_blobs.go
diff --git a/vendor/github.com/google/go-github/v25/github/git_commits.go b/vendor/github.com/google/go-github/v28/github/git_commits.go
similarity index 67%
rename from vendor/github.com/google/go-github/v25/github/git_commits.go
rename to vendor/github.com/google/go-github/v28/github/git_commits.go
index 9dfd3afb3b..741961980a 100644
--- a/vendor/github.com/google/go-github/v25/github/git_commits.go
+++ b/vendor/github.com/google/go-github/v28/github/git_commits.go
@@ -6,9 +6,14 @@
 package github
 
 import (
+	"bytes"
 	"context"
+	"errors"
 	"fmt"
+	"strings"
 	"time"
+
+	"golang.org/x/crypto/openpgp"
 )
 
 // SignatureVerification represents GPG signature verification.
@@ -37,6 +42,11 @@ type Commit struct {
 	// is only populated for requests that fetch GitHub data like
 	// Pulls.ListCommits, Repositories.ListCommits, etc.
 	CommentCount *int `json:"comment_count,omitempty"`
+
+	// SigningKey denotes a key to sign the commit with. If not nil this key will
+	// be used to sign the commit. The private key must be present and already
+	// decrypted. Ignored if Verification.Signature is defined.
+	SigningKey *openpgp.Entity `json:"-"`
 }
 
 func (c Commit) String() string {
@@ -116,6 +126,13 @@ func (s *GitService) CreateCommit(ctx context.Context, owner string, repo string
 	if commit.Tree != nil {
 		body.Tree = commit.Tree.SHA
 	}
+	if commit.SigningKey != nil {
+		signature, err := createSignature(commit.SigningKey, body)
+		if err != nil {
+			return nil, nil, err
+		}
+		body.Signature = &signature
+	}
 	if commit.Verification != nil {
 		body.Signature = commit.Verification.Signature
 	}
@@ -133,3 +150,51 @@ func (s *GitService) CreateCommit(ctx context.Context, owner string, repo string
 
 	return c, resp, nil
 }
+
+func createSignature(signingKey *openpgp.Entity, commit *createCommit) (string, error) {
+	if signingKey == nil || commit == nil {
+		return "", errors.New("createSignature: invalid parameters")
+	}
+
+	message, err := createSignatureMessage(commit)
+	if err != nil {
+		return "", err
+	}
+
+	writer := new(bytes.Buffer)
+	reader := bytes.NewReader([]byte(message))
+	if err := openpgp.ArmoredDetachSign(writer, signingKey, reader, nil); err != nil {
+		return "", err
+	}
+
+	return writer.String(), nil
+}
+
+func createSignatureMessage(commit *createCommit) (string, error) {
+	if commit == nil || commit.Message == nil || *commit.Message == "" || commit.Author == nil {
+		return "", errors.New("createSignatureMessage: invalid parameters")
+	}
+
+	var message []string
+
+	if commit.Tree != nil {
+		message = append(message, fmt.Sprintf("tree %s", *commit.Tree))
+	}
+
+	for _, parent := range commit.Parents {
+		message = append(message, fmt.Sprintf("parent %s", parent))
+	}
+
+	message = append(message, fmt.Sprintf("author %s <%s> %d %s", commit.Author.GetName(), commit.Author.GetEmail(), commit.Author.GetDate().Unix(), commit.Author.GetDate().Format("-0700")))
+
+	committer := commit.Committer
+	if committer == nil {
+		committer = commit.Author
+	}
+
+	// There needs to be a double newline after committer
+	message = append(message, fmt.Sprintf("committer %s <%s> %d %s\n", committer.GetName(), committer.GetEmail(), committer.GetDate().Unix(), committer.GetDate().Format("-0700")))
+	message = append(message, *commit.Message)
+
+	return strings.Join(message, "\n"), nil
+}
diff --git a/vendor/github.com/google/go-github/v25/github/git_refs.go b/vendor/github.com/google/go-github/v28/github/git_refs.go
similarity index 96%
rename from vendor/github.com/google/go-github/v25/github/git_refs.go
rename to vendor/github.com/google/go-github/v28/github/git_refs.go
index 3f381d5f2b..b51bcbf1de 100644
--- a/vendor/github.com/google/go-github/v25/github/git_refs.go
+++ b/vendor/github.com/google/go-github/v28/github/git_refs.go
@@ -68,7 +68,10 @@ func (s *GitService) GetRef(ctx context.Context, owner string, repo string, ref
 	resp, err := s.client.Do(ctx, req, r)
 	if _, ok := err.(*json.UnmarshalTypeError); ok {
 		// Multiple refs, means there wasn't an exact match.
-		return nil, resp, errors.New("no exact match found for this ref")
+		return nil, resp, errors.New("multiple matches found for this ref")
+	} else if _, ok := err.(*ErrorResponse); ok && resp.StatusCode == 404 {
+		// No ref, there was no match for the ref
+		return nil, resp, errors.New("no match found for this ref")
 	} else if err != nil {
 		return nil, resp, err
 	}
diff --git a/vendor/github.com/google/go-github/v25/github/git_tags.go b/vendor/github.com/google/go-github/v28/github/git_tags.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/git_tags.go
rename to vendor/github.com/google/go-github/v28/github/git_tags.go
diff --git a/vendor/github.com/google/go-github/v25/github/git_trees.go b/vendor/github.com/google/go-github/v28/github/git_trees.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/git_trees.go
rename to vendor/github.com/google/go-github/v28/github/git_trees.go
diff --git a/vendor/github.com/google/go-github/v25/github/github-accessors.go b/vendor/github.com/google/go-github/v28/github/github-accessors.go
similarity index 96%
rename from vendor/github.com/google/go-github/v25/github/github-accessors.go
rename to vendor/github.com/google/go-github/v28/github/github-accessors.go
index ba872be39c..4873d98472 100644
--- a/vendor/github.com/google/go-github/v25/github/github-accessors.go
+++ b/vendor/github.com/google/go-github/v28/github/github-accessors.go
@@ -117,9 +117,9 @@ func (a *APIMeta) GetVerifiablePasswordAuthentication() bool {
 }
 
 // GetCreatedAt returns the CreatedAt field if it's non-nil, zero value otherwise.
-func (a *App) GetCreatedAt() time.Time {
+func (a *App) GetCreatedAt() Timestamp {
 	if a == nil || a.CreatedAt == nil {
-		return time.Time{}
+		return Timestamp{}
 	}
 	return *a.CreatedAt
 }
@@ -181,9 +181,9 @@ func (a *App) GetOwner() *User {
 }
 
 // GetUpdatedAt returns the UpdatedAt field if it's non-nil, zero value otherwise.
-func (a *App) GetUpdatedAt() time.Time {
+func (a *App) GetUpdatedAt() Timestamp {
 	if a == nil || a.UpdatedAt == nil {
-		return time.Time{}
+		return Timestamp{}
 	}
 	return *a.UpdatedAt
 }
@@ -644,6 +644,14 @@ func (c *CheckRunAnnotation) GetBlobHRef() string {
 	return *c.BlobHRef
 }
 
+// GetEndColumn returns the EndColumn field if it's non-nil, zero value otherwise.
+func (c *CheckRunAnnotation) GetEndColumn() int {
+	if c == nil || c.EndColumn == nil {
+		return 0
+	}
+	return *c.EndColumn
+}
+
 // GetEndLine returns the EndLine field if it's non-nil, zero value otherwise.
 func (c *CheckRunAnnotation) GetEndLine() int {
 	if c == nil || c.EndLine == nil {
@@ -676,6 +684,14 @@ func (c *CheckRunAnnotation) GetRawDetails() string {
 	return *c.RawDetails
 }
 
+// GetStartColumn returns the StartColumn field if it's non-nil, zero value otherwise.
+func (c *CheckRunAnnotation) GetStartColumn() int {
+	if c == nil || c.StartColumn == nil {
+		return 0
+	}
+	return *c.StartColumn
+}
+
 // GetStartLine returns the StartLine field if it's non-nil, zero value otherwise.
 func (c *CheckRunAnnotation) GetStartLine() int {
 	if c == nil || c.StartLine == nil {
@@ -3324,6 +3340,30 @@ func (h *HookStats) GetTotalHooks() int {
 	return *h.TotalHooks
 }
 
+// GetGroupDescription returns the GroupDescription field if it's non-nil, zero value otherwise.
+func (i *IDPGroup) GetGroupDescription() string {
+	if i == nil || i.GroupDescription == nil {
+		return ""
+	}
+	return *i.GroupDescription
+}
+
+// GetGroupID returns the GroupID field if it's non-nil, zero value otherwise.
+func (i *IDPGroup) GetGroupID() string {
+	if i == nil || i.GroupID == nil {
+		return ""
+	}
+	return *i.GroupID
+}
+
+// GetGroupName returns the GroupName field if it's non-nil, zero value otherwise.
+func (i *IDPGroup) GetGroupName() string {
+	if i == nil || i.GroupName == nil {
+		return ""
+	}
+	return *i.GroupName
+}
+
 // GetAuthorsCount returns the AuthorsCount field if it's non-nil, zero value otherwise.
 func (i *Import) GetAuthorsCount() int {
 	if i == nil || i.AuthorsCount == nil {
@@ -3628,6 +3668,30 @@ func (i *InstallationEvent) GetSender() *User {
 	return i.Sender
 }
 
+// GetAdministration returns the Administration field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetAdministration() string {
+	if i == nil || i.Administration == nil {
+		return ""
+	}
+	return *i.Administration
+}
+
+// GetChecks returns the Checks field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetChecks() string {
+	if i == nil || i.Checks == nil {
+		return ""
+	}
+	return *i.Checks
+}
+
+// GetContentReferences returns the ContentReferences field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetContentReferences() string {
+	if i == nil || i.ContentReferences == nil {
+		return ""
+	}
+	return *i.ContentReferences
+}
+
 // GetContents returns the Contents field if it's non-nil, zero value otherwise.
 func (i *InstallationPermissions) GetContents() string {
 	if i == nil || i.Contents == nil {
@@ -3636,6 +3700,14 @@ func (i *InstallationPermissions) GetContents() string {
 	return *i.Contents
 }
 
+// GetDeployments returns the Deployments field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetDeployments() string {
+	if i == nil || i.Deployments == nil {
+		return ""
+	}
+	return *i.Deployments
+}
+
 // GetIssues returns the Issues field if it's non-nil, zero value otherwise.
 func (i *InstallationPermissions) GetIssues() string {
 	if i == nil || i.Issues == nil {
@@ -3644,6 +3716,14 @@ func (i *InstallationPermissions) GetIssues() string {
 	return *i.Issues
 }
 
+// GetMembers returns the Members field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetMembers() string {
+	if i == nil || i.Members == nil {
+		return ""
+	}
+	return *i.Members
+}
+
 // GetMetadata returns the Metadata field if it's non-nil, zero value otherwise.
 func (i *InstallationPermissions) GetMetadata() string {
 	if i == nil || i.Metadata == nil {
@@ -3652,6 +3732,102 @@ func (i *InstallationPermissions) GetMetadata() string {
 	return *i.Metadata
 }
 
+// GetOrganizationAdministration returns the OrganizationAdministration field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetOrganizationAdministration() string {
+	if i == nil || i.OrganizationAdministration == nil {
+		return ""
+	}
+	return *i.OrganizationAdministration
+}
+
+// GetOrganizationHooks returns the OrganizationHooks field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetOrganizationHooks() string {
+	if i == nil || i.OrganizationHooks == nil {
+		return ""
+	}
+	return *i.OrganizationHooks
+}
+
+// GetOrganizationPlan returns the OrganizationPlan field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetOrganizationPlan() string {
+	if i == nil || i.OrganizationPlan == nil {
+		return ""
+	}
+	return *i.OrganizationPlan
+}
+
+// GetOrganizationPreReceiveHooks returns the OrganizationPreReceiveHooks field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetOrganizationPreReceiveHooks() string {
+	if i == nil || i.OrganizationPreReceiveHooks == nil {
+		return ""
+	}
+	return *i.OrganizationPreReceiveHooks
+}
+
+// GetOrganizationProjects returns the OrganizationProjects field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetOrganizationProjects() string {
+	if i == nil || i.OrganizationProjects == nil {
+		return ""
+	}
+	return *i.OrganizationProjects
+}
+
+// GetOrganizationUserBlocking returns the OrganizationUserBlocking field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetOrganizationUserBlocking() string {
+	if i == nil || i.OrganizationUserBlocking == nil {
+		return ""
+	}
+	return *i.OrganizationUserBlocking
+}
+
+// GetPackages returns the Packages field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetPackages() string {
+	if i == nil || i.Packages == nil {
+		return ""
+	}
+	return *i.Packages
+}
+
+// GetPages returns the Pages field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetPages() string {
+	if i == nil || i.Pages == nil {
+		return ""
+	}
+	return *i.Pages
+}
+
+// GetPullRequests returns the PullRequests field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetPullRequests() string {
+	if i == nil || i.PullRequests == nil {
+		return ""
+	}
+	return *i.PullRequests
+}
+
+// GetRepositoryHooks returns the RepositoryHooks field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetRepositoryHooks() string {
+	if i == nil || i.RepositoryHooks == nil {
+		return ""
+	}
+	return *i.RepositoryHooks
+}
+
+// GetRepositoryPreReceiveHooks returns the RepositoryPreReceiveHooks field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetRepositoryPreReceiveHooks() string {
+	if i == nil || i.RepositoryPreReceiveHooks == nil {
+		return ""
+	}
+	return *i.RepositoryPreReceiveHooks
+}
+
+// GetRepositoryProjects returns the RepositoryProjects field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetRepositoryProjects() string {
+	if i == nil || i.RepositoryProjects == nil {
+		return ""
+	}
+	return *i.RepositoryProjects
+}
+
 // GetSingleFile returns the SingleFile field if it's non-nil, zero value otherwise.
 func (i *InstallationPermissions) GetSingleFile() string {
 	if i == nil || i.SingleFile == nil {
@@ -3660,6 +3836,30 @@ func (i *InstallationPermissions) GetSingleFile() string {
 	return *i.SingleFile
 }
 
+// GetStatuses returns the Statuses field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetStatuses() string {
+	if i == nil || i.Statuses == nil {
+		return ""
+	}
+	return *i.Statuses
+}
+
+// GetTeamDiscussions returns the TeamDiscussions field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetTeamDiscussions() string {
+	if i == nil || i.TeamDiscussions == nil {
+		return ""
+	}
+	return *i.TeamDiscussions
+}
+
+// GetVulnerabilityAlerts returns the VulnerabilityAlerts field if it's non-nil, zero value otherwise.
+func (i *InstallationPermissions) GetVulnerabilityAlerts() string {
+	if i == nil || i.VulnerabilityAlerts == nil {
+		return ""
+	}
+	return *i.VulnerabilityAlerts
+}
+
 // GetAction returns the Action field if it's non-nil, zero value otherwise.
 func (i *InstallationRepositoriesEvent) GetAction() string {
 	if i == nil || i.Action == nil {
@@ -3700,6 +3900,14 @@ func (i *InstallationToken) GetExpiresAt() time.Time {
 	return *i.ExpiresAt
 }
 
+// GetPermissions returns the Permissions field.
+func (i *InstallationToken) GetPermissions() *InstallationPermissions {
+	if i == nil {
+		return nil
+	}
+	return i.Permissions
+}
+
 // GetToken returns the Token field if it's non-nil, zero value otherwise.
 func (i *InstallationToken) GetToken() string {
 	if i == nil || i.Token == nil {
@@ -3708,6 +3916,14 @@ func (i *InstallationToken) GetToken() string {
 	return *i.Token
 }
 
+// GetPermissions returns the Permissions field.
+func (i *InstallationTokenOptions) GetPermissions() *InstallationPermissions {
+	if i == nil {
+		return nil
+	}
+	return i.Permissions
+}
+
 // GetExpiresAt returns the ExpiresAt field if it's non-nil, zero value otherwise.
 func (i *InteractionRestriction) GetExpiresAt() Timestamp {
 	if i == nil || i.ExpiresAt == nil {
@@ -4428,6 +4644,14 @@ func (i *IssueStats) GetTotalIssues() int {
 	return *i.TotalIssues
 }
 
+// GetCreatedAt returns the CreatedAt field if it's non-nil, zero value otherwise.
+func (k *Key) GetCreatedAt() Timestamp {
+	if k == nil || k.CreatedAt == nil {
+		return Timestamp{}
+	}
+	return *k.CreatedAt
+}
+
 // GetID returns the ID field if it's non-nil, zero value otherwise.
 func (k *Key) GetID() int64 {
 	if k == nil || k.ID == nil {
@@ -5972,6 +6196,14 @@ func (o *Organization) GetLogin() string {
 	return *o.Login
 }
 
+// GetMembersAllowedRepositoryCreationType returns the MembersAllowedRepositoryCreationType field if it's non-nil, zero value otherwise.
+func (o *Organization) GetMembersAllowedRepositoryCreationType() string {
+	if o == nil || o.MembersAllowedRepositoryCreationType == nil {
+		return ""
+	}
+	return *o.MembersAllowedRepositoryCreationType
+}
+
 // GetMembersCanCreateRepos returns the MembersCanCreateRepos field if it's non-nil, zero value otherwise.
 func (o *Organization) GetMembersCanCreateRepos() bool {
 	if o == nil || o.MembersCanCreateRepos == nil {
@@ -7428,6 +7660,14 @@ func (p *PullRequest) GetLinks() *PRLinks {
 	return p.Links
 }
 
+// GetLocked returns the Locked field if it's non-nil, zero value otherwise.
+func (p *PullRequest) GetLocked() bool {
+	if p == nil || p.Locked == nil {
+		return false
+	}
+	return *p.Locked
+}
+
 // GetMaintainerCanModify returns the MaintainerCanModify field if it's non-nil, zero value otherwise.
 func (p *PullRequest) GetMaintainerCanModify() bool {
 	if p == nil || p.MaintainerCanModify == nil {
@@ -7516,6 +7756,14 @@ func (p *PullRequest) GetPatchURL() string {
 	return *p.PatchURL
 }
 
+// GetRebaseable returns the Rebaseable field if it's non-nil, zero value otherwise.
+func (p *PullRequest) GetRebaseable() bool {
+	if p == nil || p.Rebaseable == nil {
+		return false
+	}
+	return *p.Rebaseable
+}
+
 // GetReviewComments returns the ReviewComments field if it's non-nil, zero value otherwise.
 func (p *PullRequest) GetReviewComments() int {
 	if p == nil || p.ReviewComments == nil {
@@ -8668,6 +8916,14 @@ func (p *PushEventRepository) GetPrivate() bool {
 	return *p.Private
 }
 
+// GetPullsURL returns the PullsURL field if it's non-nil, zero value otherwise.
+func (p *PushEventRepository) GetPullsURL() string {
+	if p == nil || p.PullsURL == nil {
+		return ""
+	}
+	return *p.PullsURL
+}
+
 // GetPushedAt returns the PushedAt field if it's non-nil, zero value otherwise.
 func (p *PushEventRepository) GetPushedAt() Timestamp {
 	if p == nil || p.PushedAt == nil {
@@ -9420,6 +9676,14 @@ func (r *Repository) GetIssuesURL() string {
 	return *r.IssuesURL
 }
 
+// GetIsTemplate returns the IsTemplate field if it's non-nil, zero value otherwise.
+func (r *Repository) GetIsTemplate() bool {
+	if r == nil || r.IsTemplate == nil {
+		return false
+	}
+	return *r.IsTemplate
+}
+
 // GetKeysURL returns the KeysURL field if it's non-nil, zero value otherwise.
 func (r *Repository) GetKeysURL() string {
 	if r == nil || r.KeysURL == nil {
@@ -9708,6 +9972,14 @@ func (r *Repository) GetTeamsURL() string {
 	return *r.TeamsURL
 }
 
+// GetTemplateRepository returns the TemplateRepository field.
+func (r *Repository) GetTemplateRepository() *Repository {
+	if r == nil {
+		return nil
+	}
+	return r.TemplateRepository
+}
+
 // GetTreesURL returns the TreesURL field if it's non-nil, zero value otherwise.
 func (r *Repository) GetTreesURL() string {
 	if r == nil || r.TreesURL == nil {
@@ -9780,6 +10052,14 @@ func (r *RepositoryComment) GetID() int64 {
 	return *r.ID
 }
 
+// GetNodeID returns the NodeID field if it's non-nil, zero value otherwise.
+func (r *RepositoryComment) GetNodeID() string {
+	if r == nil || r.NodeID == nil {
+		return ""
+	}
+	return *r.NodeID
+}
+
 // GetPath returns the Path field if it's non-nil, zero value otherwise.
 func (r *RepositoryComment) GetPath() string {
 	if r == nil || r.Path == nil {
@@ -11468,6 +11748,38 @@ func (t *TeamProjectOptions) GetPermission() string {
 	return *t.Permission
 }
 
+// GetDescription returns the Description field if it's non-nil, zero value otherwise.
+func (t *TemplateRepoRequest) GetDescription() string {
+	if t == nil || t.Description == nil {
+		return ""
+	}
+	return *t.Description
+}
+
+// GetName returns the Name field if it's non-nil, zero value otherwise.
+func (t *TemplateRepoRequest) GetName() string {
+	if t == nil || t.Name == nil {
+		return ""
+	}
+	return *t.Name
+}
+
+// GetOwner returns the Owner field if it's non-nil, zero value otherwise.
+func (t *TemplateRepoRequest) GetOwner() string {
+	if t == nil || t.Owner == nil {
+		return ""
+	}
+	return *t.Owner
+}
+
+// GetPrivate returns the Private field if it's non-nil, zero value otherwise.
+func (t *TemplateRepoRequest) GetPrivate() bool {
+	if t == nil || t.Private == nil {
+		return false
+	}
+	return *t.Private
+}
+
 // GetFragment returns the Fragment field if it's non-nil, zero value otherwise.
 func (t *TextMatch) GetFragment() string {
 	if t == nil || t.Fragment == nil {
@@ -11996,6 +12308,14 @@ func (u *User) GetID() int64 {
 	return *u.ID
 }
 
+// GetLdapDn returns the LdapDn field if it's non-nil, zero value otherwise.
+func (u *User) GetLdapDn() string {
+	if u == nil || u.LdapDn == nil {
+		return ""
+	}
+	return *u.LdapDn
+}
+
 // GetLocation returns the Location field if it's non-nil, zero value otherwise.
 func (u *User) GetLocation() string {
 	if u == nil || u.Location == nil {
@@ -12212,6 +12532,14 @@ func (u *UserEmail) GetVerified() bool {
 	return *u.Verified
 }
 
+// GetVisibility returns the Visibility field if it's non-nil, zero value otherwise.
+func (u *UserEmail) GetVisibility() string {
+	if u == nil || u.Visibility == nil {
+		return ""
+	}
+	return *u.Visibility
+}
+
 // GetAvatarURL returns the AvatarURL field if it's non-nil, zero value otherwise.
 func (u *UserLDAPMapping) GetAvatarURL() string {
 	if u == nil || u.AvatarURL == nil {
diff --git a/vendor/github.com/google/go-github/v25/github/github.go b/vendor/github.com/google/go-github/v28/github/github.go
similarity index 97%
rename from vendor/github.com/google/go-github/v25/github/github.go
rename to vendor/github.com/google/go-github/v28/github/github.go
index 63f8a96643..6ab801f228 100644
--- a/vendor/github.com/google/go-github/v25/github/github.go
+++ b/vendor/github.com/google/go-github/v28/github/github.go
@@ -4,6 +4,7 @@
 // license that can be found in the LICENSE file.
 
 //go:generate go run gen-accessors.go
+//go:generate go run gen-stringify-test.go
 
 package github
 
@@ -138,11 +139,23 @@ const (
 	// https://developer.github.com/changes/2019-04-24-vulnerability-alerts/
 	mediaTypeRequiredVulnerabilityAlertsPreview = "application/vnd.github.dorian-preview+json"
 
+	// https://developer.github.com/changes/2019-06-04-automated-security-fixes/
+	mediaTypeRequiredAutomatedSecurityFixesPreview = "application/vnd.github.london-preview+json"
+
 	// https://developer.github.com/changes/2019-05-29-update-branch-api/
 	mediaTypeUpdatePullRequestBranchPreview = "application/vnd.github.lydian-preview+json"
 
 	// https://developer.github.com/changes/2019-04-11-pulls-branches-for-commit/
 	mediaTypeListPullsOrBranchesForCommitPreview = "application/vnd.github.groot-preview+json"
+
+	// https://developer.github.com/changes/2019-06-12-team-sync/
+	mediaTypeTeamSyncPreview = "application/vnd.github.team-sync-preview+json"
+
+	// https://developer.github.com/v3/previews/#repository-creation-permissions
+	mediaTypeMemberAllowedRepoCreationTypePreview = "application/vnd.github.surtur-preview+json"
+
+	// https://developer.github.com/v3/previews/#create-and-use-repository-templates
+	mediaTypeRepositoryTemplatePreview = "application/vnd.github.baptiste-preview+json"
 )
 
 // A Client manages communication with the GitHub API.
@@ -636,7 +649,7 @@ type RateLimitError struct {
 func (r *RateLimitError) Error() string {
 	return fmt.Sprintf("%v %v: %d %v %v",
 		r.Response.Request.Method, sanitizeURL(r.Response.Request.URL),
-		r.Response.StatusCode, r.Message, formatRateReset(r.Rate.Reset.Time.Sub(time.Now())))
+		r.Response.StatusCode, r.Message, formatRateReset(time.Until(r.Rate.Reset.Time)))
 }
 
 // AcceptedError occurs when GitHub returns 202 Accepted response with an
diff --git a/vendor/github.com/google/go-github/v25/github/gitignore.go b/vendor/github.com/google/go-github/v28/github/gitignore.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/gitignore.go
rename to vendor/github.com/google/go-github/v28/github/gitignore.go
diff --git a/vendor/github.com/google/go-github/v25/github/interactions.go b/vendor/github.com/google/go-github/v28/github/interactions.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/interactions.go
rename to vendor/github.com/google/go-github/v28/github/interactions.go
diff --git a/vendor/github.com/google/go-github/v25/github/interactions_orgs.go b/vendor/github.com/google/go-github/v28/github/interactions_orgs.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/interactions_orgs.go
rename to vendor/github.com/google/go-github/v28/github/interactions_orgs.go
diff --git a/vendor/github.com/google/go-github/v25/github/interactions_repos.go b/vendor/github.com/google/go-github/v28/github/interactions_repos.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/interactions_repos.go
rename to vendor/github.com/google/go-github/v28/github/interactions_repos.go
diff --git a/vendor/github.com/google/go-github/v25/github/issues.go b/vendor/github.com/google/go-github/v28/github/issues.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/issues.go
rename to vendor/github.com/google/go-github/v28/github/issues.go
diff --git a/vendor/github.com/google/go-github/v25/github/issues_assignees.go b/vendor/github.com/google/go-github/v28/github/issues_assignees.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/issues_assignees.go
rename to vendor/github.com/google/go-github/v28/github/issues_assignees.go
diff --git a/vendor/github.com/google/go-github/v25/github/issues_comments.go b/vendor/github.com/google/go-github/v28/github/issues_comments.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/issues_comments.go
rename to vendor/github.com/google/go-github/v28/github/issues_comments.go
diff --git a/vendor/github.com/google/go-github/v25/github/issues_events.go b/vendor/github.com/google/go-github/v28/github/issues_events.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/issues_events.go
rename to vendor/github.com/google/go-github/v28/github/issues_events.go
diff --git a/vendor/github.com/google/go-github/v25/github/issues_labels.go b/vendor/github.com/google/go-github/v28/github/issues_labels.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/issues_labels.go
rename to vendor/github.com/google/go-github/v28/github/issues_labels.go
diff --git a/vendor/github.com/google/go-github/v25/github/issues_milestones.go b/vendor/github.com/google/go-github/v28/github/issues_milestones.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/issues_milestones.go
rename to vendor/github.com/google/go-github/v28/github/issues_milestones.go
diff --git a/vendor/github.com/google/go-github/v25/github/issues_timeline.go b/vendor/github.com/google/go-github/v28/github/issues_timeline.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/issues_timeline.go
rename to vendor/github.com/google/go-github/v28/github/issues_timeline.go
diff --git a/vendor/github.com/google/go-github/v25/github/licenses.go b/vendor/github.com/google/go-github/v28/github/licenses.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/licenses.go
rename to vendor/github.com/google/go-github/v28/github/licenses.go
diff --git a/vendor/github.com/google/go-github/v25/github/messages.go b/vendor/github.com/google/go-github/v28/github/messages.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/messages.go
rename to vendor/github.com/google/go-github/v28/github/messages.go
diff --git a/vendor/github.com/google/go-github/v25/github/migrations.go b/vendor/github.com/google/go-github/v28/github/migrations.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/migrations.go
rename to vendor/github.com/google/go-github/v28/github/migrations.go
diff --git a/vendor/github.com/google/go-github/v25/github/migrations_source_import.go b/vendor/github.com/google/go-github/v28/github/migrations_source_import.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/migrations_source_import.go
rename to vendor/github.com/google/go-github/v28/github/migrations_source_import.go
diff --git a/vendor/github.com/google/go-github/v25/github/migrations_user.go b/vendor/github.com/google/go-github/v28/github/migrations_user.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/migrations_user.go
rename to vendor/github.com/google/go-github/v28/github/migrations_user.go
diff --git a/vendor/github.com/google/go-github/v25/github/misc.go b/vendor/github.com/google/go-github/v28/github/misc.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/misc.go
rename to vendor/github.com/google/go-github/v28/github/misc.go
diff --git a/vendor/github.com/google/go-github/v25/github/orgs.go b/vendor/github.com/google/go-github/v28/github/orgs.go
similarity index 94%
rename from vendor/github.com/google/go-github/v25/github/orgs.go
rename to vendor/github.com/google/go-github/v28/github/orgs.go
index c70039ba08..e1aa20db0b 100644
--- a/vendor/github.com/google/go-github/v25/github/orgs.go
+++ b/vendor/github.com/google/go-github/v28/github/orgs.go
@@ -56,6 +56,10 @@ type Organization struct {
 	// MembersCanCreateRepos default value is true and is only used in Organizations.Edit.
 	MembersCanCreateRepos *bool `json:"members_can_create_repositories,omitempty"`
 
+	// MembersAllowedRepositoryCreationType denotes if organization members can create repositories
+	// and the type of repositories they can create. Possible values are: "all", "private", or "none".
+	MembersAllowedRepositoryCreationType *string `json:"members_allowed_repository_creation_type,omitempty"`
+
 	// API URLs
 	URL              *string `json:"url,omitempty"`
 	EventsURL        *string `json:"events_url,omitempty"`
@@ -160,6 +164,9 @@ func (s *OrganizationsService) Get(ctx context.Context, org string) (*Organizati
 		return nil, nil, err
 	}
 
+	// TODO: remove custom Accept header when this API fully launches.
+	req.Header.Set("Accept", mediaTypeMemberAllowedRepoCreationTypePreview)
+
 	organization := new(Organization)
 	resp, err := s.client.Do(ctx, req, organization)
 	if err != nil {
diff --git a/vendor/github.com/google/go-github/v25/github/orgs_hooks.go b/vendor/github.com/google/go-github/v28/github/orgs_hooks.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/orgs_hooks.go
rename to vendor/github.com/google/go-github/v28/github/orgs_hooks.go
diff --git a/vendor/github.com/google/go-github/v25/github/orgs_members.go b/vendor/github.com/google/go-github/v28/github/orgs_members.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/orgs_members.go
rename to vendor/github.com/google/go-github/v28/github/orgs_members.go
diff --git a/vendor/github.com/google/go-github/v25/github/orgs_outside_collaborators.go b/vendor/github.com/google/go-github/v28/github/orgs_outside_collaborators.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/orgs_outside_collaborators.go
rename to vendor/github.com/google/go-github/v28/github/orgs_outside_collaborators.go
diff --git a/vendor/github.com/google/go-github/v25/github/orgs_projects.go b/vendor/github.com/google/go-github/v28/github/orgs_projects.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/orgs_projects.go
rename to vendor/github.com/google/go-github/v28/github/orgs_projects.go
diff --git a/vendor/github.com/google/go-github/v25/github/orgs_users_blocking.go b/vendor/github.com/google/go-github/v28/github/orgs_users_blocking.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/orgs_users_blocking.go
rename to vendor/github.com/google/go-github/v28/github/orgs_users_blocking.go
diff --git a/vendor/github.com/google/go-github/v25/github/projects.go b/vendor/github.com/google/go-github/v28/github/projects.go
similarity index 99%
rename from vendor/github.com/google/go-github/v25/github/projects.go
rename to vendor/github.com/google/go-github/v28/github/projects.go
index c7a68f53d9..1e9620dfd9 100644
--- a/vendor/github.com/google/go-github/v25/github/projects.go
+++ b/vendor/github.com/google/go-github/v28/github/projects.go
@@ -344,8 +344,8 @@ func (s *ProjectsService) ListProjectCards(ctx context.Context, columnID int64,
 // GetProjectCard gets a card in a column of a GitHub Project.
 //
 // GitHub API docs: https://developer.github.com/v3/projects/cards/#get-a-project-card
-func (s *ProjectsService) GetProjectCard(ctx context.Context, columnID int64) (*ProjectCard, *Response, error) {
-	u := fmt.Sprintf("projects/columns/cards/%v", columnID)
+func (s *ProjectsService) GetProjectCard(ctx context.Context, cardID int64) (*ProjectCard, *Response, error) {
+	u := fmt.Sprintf("projects/columns/cards/%v", cardID)
 	req, err := s.client.NewRequest("GET", u, nil)
 	if err != nil {
 		return nil, nil, err
diff --git a/vendor/github.com/google/go-github/v25/github/pulls.go b/vendor/github.com/google/go-github/v28/github/pulls.go
similarity index 99%
rename from vendor/github.com/google/go-github/v25/github/pulls.go
rename to vendor/github.com/google/go-github/v28/github/pulls.go
index a06f97bcfd..e022692d42 100644
--- a/vendor/github.com/google/go-github/v25/github/pulls.go
+++ b/vendor/github.com/google/go-github/v28/github/pulls.go
@@ -24,6 +24,7 @@ type PullRequest struct {
 	ID                  *int64     `json:"id,omitempty"`
 	Number              *int       `json:"number,omitempty"`
 	State               *string    `json:"state,omitempty"`
+	Locked              *bool      `json:"locked,omitempty"`
 	Title               *string    `json:"title,omitempty"`
 	Body                *string    `json:"body,omitempty"`
 	CreatedAt           *time.Time `json:"created_at,omitempty"`
@@ -38,6 +39,7 @@ type PullRequest struct {
 	MergeableState      *string    `json:"mergeable_state,omitempty"`
 	MergedBy            *User      `json:"merged_by,omitempty"`
 	MergeCommitSHA      *string    `json:"merge_commit_sha,omitempty"`
+	Rebaseable          *bool      `json:"rebaseable,omitempty"`
 	Comments            *int       `json:"comments,omitempty"`
 	Commits             *int       `json:"commits,omitempty"`
 	Additions           *int       `json:"additions,omitempty"`
diff --git a/vendor/github.com/google/go-github/v25/github/pulls_comments.go b/vendor/github.com/google/go-github/v28/github/pulls_comments.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/pulls_comments.go
rename to vendor/github.com/google/go-github/v28/github/pulls_comments.go
diff --git a/vendor/github.com/google/go-github/v25/github/pulls_reviewers.go b/vendor/github.com/google/go-github/v28/github/pulls_reviewers.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/pulls_reviewers.go
rename to vendor/github.com/google/go-github/v28/github/pulls_reviewers.go
diff --git a/vendor/github.com/google/go-github/v25/github/pulls_reviews.go b/vendor/github.com/google/go-github/v28/github/pulls_reviews.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/pulls_reviews.go
rename to vendor/github.com/google/go-github/v28/github/pulls_reviews.go
diff --git a/vendor/github.com/google/go-github/v25/github/reactions.go b/vendor/github.com/google/go-github/v28/github/reactions.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/reactions.go
rename to vendor/github.com/google/go-github/v28/github/reactions.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos.go b/vendor/github.com/google/go-github/v28/github/repos.go
similarity index 89%
rename from vendor/github.com/google/go-github/v25/github/repos.go
rename to vendor/github.com/google/go-github/v28/github/repos.go
index 154d28bb56..a380f3028c 100644
--- a/vendor/github.com/google/go-github/v25/github/repos.go
+++ b/vendor/github.com/google/go-github/v28/github/repos.go
@@ -19,45 +19,46 @@ type RepositoriesService service
 
 // Repository represents a GitHub repository.
 type Repository struct {
-	ID               *int64           `json:"id,omitempty"`
-	NodeID           *string          `json:"node_id,omitempty"`
-	Owner            *User            `json:"owner,omitempty"`
-	Name             *string          `json:"name,omitempty"`
-	FullName         *string          `json:"full_name,omitempty"`
-	Description      *string          `json:"description,omitempty"`
-	Homepage         *string          `json:"homepage,omitempty"`
-	CodeOfConduct    *CodeOfConduct   `json:"code_of_conduct,omitempty"`
-	DefaultBranch    *string          `json:"default_branch,omitempty"`
-	MasterBranch     *string          `json:"master_branch,omitempty"`
-	CreatedAt        *Timestamp       `json:"created_at,omitempty"`
-	PushedAt         *Timestamp       `json:"pushed_at,omitempty"`
-	UpdatedAt        *Timestamp       `json:"updated_at,omitempty"`
-	HTMLURL          *string          `json:"html_url,omitempty"`
-	CloneURL         *string          `json:"clone_url,omitempty"`
-	GitURL           *string          `json:"git_url,omitempty"`
-	MirrorURL        *string          `json:"mirror_url,omitempty"`
-	SSHURL           *string          `json:"ssh_url,omitempty"`
-	SVNURL           *string          `json:"svn_url,omitempty"`
-	Language         *string          `json:"language,omitempty"`
-	Fork             *bool            `json:"fork,omitempty"`
-	ForksCount       *int             `json:"forks_count,omitempty"`
-	NetworkCount     *int             `json:"network_count,omitempty"`
-	OpenIssuesCount  *int             `json:"open_issues_count,omitempty"`
-	StargazersCount  *int             `json:"stargazers_count,omitempty"`
-	SubscribersCount *int             `json:"subscribers_count,omitempty"`
-	WatchersCount    *int             `json:"watchers_count,omitempty"`
-	Size             *int             `json:"size,omitempty"`
-	AutoInit         *bool            `json:"auto_init,omitempty"`
-	Parent           *Repository      `json:"parent,omitempty"`
-	Source           *Repository      `json:"source,omitempty"`
-	Organization     *Organization    `json:"organization,omitempty"`
-	Permissions      *map[string]bool `json:"permissions,omitempty"`
-	AllowRebaseMerge *bool            `json:"allow_rebase_merge,omitempty"`
-	AllowSquashMerge *bool            `json:"allow_squash_merge,omitempty"`
-	AllowMergeCommit *bool            `json:"allow_merge_commit,omitempty"`
-	Topics           []string         `json:"topics,omitempty"`
-	Archived         *bool            `json:"archived,omitempty"`
-	Disabled         *bool            `json:"disabled,omitempty"`
+	ID                 *int64           `json:"id,omitempty"`
+	NodeID             *string          `json:"node_id,omitempty"`
+	Owner              *User            `json:"owner,omitempty"`
+	Name               *string          `json:"name,omitempty"`
+	FullName           *string          `json:"full_name,omitempty"`
+	Description        *string          `json:"description,omitempty"`
+	Homepage           *string          `json:"homepage,omitempty"`
+	CodeOfConduct      *CodeOfConduct   `json:"code_of_conduct,omitempty"`
+	DefaultBranch      *string          `json:"default_branch,omitempty"`
+	MasterBranch       *string          `json:"master_branch,omitempty"`
+	CreatedAt          *Timestamp       `json:"created_at,omitempty"`
+	PushedAt           *Timestamp       `json:"pushed_at,omitempty"`
+	UpdatedAt          *Timestamp       `json:"updated_at,omitempty"`
+	HTMLURL            *string          `json:"html_url,omitempty"`
+	CloneURL           *string          `json:"clone_url,omitempty"`
+	GitURL             *string          `json:"git_url,omitempty"`
+	MirrorURL          *string          `json:"mirror_url,omitempty"`
+	SSHURL             *string          `json:"ssh_url,omitempty"`
+	SVNURL             *string          `json:"svn_url,omitempty"`
+	Language           *string          `json:"language,omitempty"`
+	Fork               *bool            `json:"fork,omitempty"`
+	ForksCount         *int             `json:"forks_count,omitempty"`
+	NetworkCount       *int             `json:"network_count,omitempty"`
+	OpenIssuesCount    *int             `json:"open_issues_count,omitempty"`
+	StargazersCount    *int             `json:"stargazers_count,omitempty"`
+	SubscribersCount   *int             `json:"subscribers_count,omitempty"`
+	WatchersCount      *int             `json:"watchers_count,omitempty"`
+	Size               *int             `json:"size,omitempty"`
+	AutoInit           *bool            `json:"auto_init,omitempty"`
+	Parent             *Repository      `json:"parent,omitempty"`
+	Source             *Repository      `json:"source,omitempty"`
+	TemplateRepository *Repository      `json:"template_repository,omitempty"`
+	Organization       *Organization    `json:"organization,omitempty"`
+	Permissions        *map[string]bool `json:"permissions,omitempty"`
+	AllowRebaseMerge   *bool            `json:"allow_rebase_merge,omitempty"`
+	AllowSquashMerge   *bool            `json:"allow_squash_merge,omitempty"`
+	AllowMergeCommit   *bool            `json:"allow_merge_commit,omitempty"`
+	Topics             []string         `json:"topics,omitempty"`
+	Archived           *bool            `json:"archived,omitempty"`
+	Disabled           *bool            `json:"disabled,omitempty"`
 
 	// Only provided when using RepositoriesService.Get while in preview
 	License *License `json:"license,omitempty"`
@@ -69,6 +70,7 @@ type Repository struct {
 	HasPages          *bool   `json:"has_pages,omitempty"`
 	HasProjects       *bool   `json:"has_projects,omitempty"`
 	HasDownloads      *bool   `json:"has_downloads,omitempty"`
+	IsTemplate        *bool   `json:"is_template,omitempty"`
 	LicenseTemplate   *string `json:"license_template,omitempty"`
 	GitignoreTemplate *string `json:"gitignore_template,omitempty"`
 
@@ -275,6 +277,7 @@ type createRepoRequest struct {
 	HasIssues   *bool `json:"has_issues,omitempty"`
 	HasProjects *bool `json:"has_projects,omitempty"`
 	HasWiki     *bool `json:"has_wiki,omitempty"`
+	IsTemplate  *bool `json:"is_template,omitempty"`
 
 	// Creating an organization repository. Required for non-owners.
 	TeamID *int64 `json:"team_id,omitempty"`
@@ -311,6 +314,7 @@ func (s *RepositoriesService) Create(ctx context.Context, org string, repo *Repo
 		HasIssues:         repo.HasIssues,
 		HasProjects:       repo.HasProjects,
 		HasWiki:           repo.HasWiki,
+		IsTemplate:        repo.IsTemplate,
 		TeamID:            repo.TeamID,
 		AutoInit:          repo.AutoInit,
 		GitignoreTemplate: repo.GitignoreTemplate,
@@ -325,6 +329,38 @@ func (s *RepositoriesService) Create(ctx context.Context, org string, repo *Repo
 		return nil, nil, err
 	}
 
+	req.Header.Set("Accept", mediaTypeRepositoryTemplatePreview)
+	r := new(Repository)
+	resp, err := s.client.Do(ctx, req, r)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return r, resp, nil
+}
+
+// TemplateRepoRequest represents a request to create a repository from a template.
+type TemplateRepoRequest struct {
+	// Name is required when creating a repo.
+	Name        *string `json:"name,omitempty"`
+	Owner       *string `json:"owner,omitempty"`
+	Description *string `json:"description,omitempty"`
+
+	Private *bool `json:"private,omitempty"`
+}
+
+// CreateFromTemplate generates a repository from a template.
+//
+// GitHub API docs: https://developer.github.com/v3/repos/#create-repository-using-a-repository-template
+func (s *RepositoriesService) CreateFromTemplate(ctx context.Context, templateOwner, templateRepo string, templateRepoReq *TemplateRepoRequest) (*Repository, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/generate", templateOwner, templateRepo)
+
+	req, err := s.client.NewRequest("POST", u, templateRepoReq)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req.Header.Set("Accept", mediaTypeRepositoryTemplatePreview)
 	r := new(Repository)
 	resp, err := s.client.Do(ctx, req, r)
 	if err != nil {
@@ -346,7 +382,7 @@ func (s *RepositoriesService) Get(ctx context.Context, owner, repo string) (*Rep
 
 	// TODO: remove custom Accept header when the license support fully launches
 	// https://developer.github.com/v3/licenses/#get-a-repositorys-license
-	acceptHeaders := []string{mediaTypeCodesOfConductPreview, mediaTypeTopicsPreview}
+	acceptHeaders := []string{mediaTypeCodesOfConductPreview, mediaTypeTopicsPreview, mediaTypeRepositoryTemplatePreview}
 	req.Header.Set("Accept", strings.Join(acceptHeaders, ", "))
 
 	repository := new(Repository)
@@ -409,6 +445,7 @@ func (s *RepositoriesService) Edit(ctx context.Context, owner, repo string, repo
 		return nil, nil, err
 	}
 
+	req.Header.Set("Accept", mediaTypeRepositoryTemplatePreview)
 	r := new(Repository)
 	resp, err := s.client.Do(ctx, req, r)
 	if err != nil {
@@ -496,6 +533,40 @@ func (s *RepositoriesService) DisableVulnerabilityAlerts(ctx context.Context, ow
 	return s.client.Do(ctx, req, nil)
 }
 
+// EnableAutomatedSecurityFixes enables the automated security fixes for a repository.
+//
+// GitHub API docs: https://developer.github.com/v3/repos/#enable-automated-security-fixes
+func (s *RepositoriesService) EnableAutomatedSecurityFixes(ctx context.Context, owner, repository string) (*Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/automated-security-fixes", owner, repository)
+
+	req, err := s.client.NewRequest("PUT", u, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	// TODO: remove custom Accept header when this API fully launches
+	req.Header.Set("Accept", mediaTypeRequiredAutomatedSecurityFixesPreview)
+
+	return s.client.Do(ctx, req, nil)
+}
+
+// DisableAutomatedSecurityFixes disables vulnerability alerts and the dependency graph for a repository.
+//
+// GitHub API docs: https://developer.github.com/v3/repos/#disable-automated-security-fixes
+func (s *RepositoriesService) DisableAutomatedSecurityFixes(ctx context.Context, owner, repository string) (*Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/automated-security-fixes", owner, repository)
+
+	req, err := s.client.NewRequest("DELETE", u, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	// TODO: remove custom Accept header when this API fully launches
+	req.Header.Set("Accept", mediaTypeRequiredAutomatedSecurityFixesPreview)
+
+	return s.client.Do(ctx, req, nil)
+}
+
 // ListContributors lists contributors for a repository.
 //
 // GitHub API docs: https://developer.github.com/v3/repos/#list-contributors
diff --git a/vendor/github.com/google/go-github/v25/github/repos_collaborators.go b/vendor/github.com/google/go-github/v28/github/repos_collaborators.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_collaborators.go
rename to vendor/github.com/google/go-github/v28/github/repos_collaborators.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_comments.go b/vendor/github.com/google/go-github/v28/github/repos_comments.go
similarity index 99%
rename from vendor/github.com/google/go-github/v25/github/repos_comments.go
rename to vendor/github.com/google/go-github/v28/github/repos_comments.go
index fa2377d403..380ca3d3b4 100644
--- a/vendor/github.com/google/go-github/v25/github/repos_comments.go
+++ b/vendor/github.com/google/go-github/v28/github/repos_comments.go
@@ -16,6 +16,7 @@ type RepositoryComment struct {
 	HTMLURL   *string    `json:"html_url,omitempty"`
 	URL       *string    `json:"url,omitempty"`
 	ID        *int64     `json:"id,omitempty"`
+	NodeID    *string    `json:"node_id,omitempty"`
 	CommitID  *string    `json:"commit_id,omitempty"`
 	User      *User      `json:"user,omitempty"`
 	Reactions *Reactions `json:"reactions,omitempty"`
diff --git a/vendor/github.com/google/go-github/v25/github/repos_commits.go b/vendor/github.com/google/go-github/v28/github/repos_commits.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_commits.go
rename to vendor/github.com/google/go-github/v28/github/repos_commits.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_community_health.go b/vendor/github.com/google/go-github/v28/github/repos_community_health.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_community_health.go
rename to vendor/github.com/google/go-github/v28/github/repos_community_health.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_contents.go b/vendor/github.com/google/go-github/v28/github/repos_contents.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_contents.go
rename to vendor/github.com/google/go-github/v28/github/repos_contents.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_deployments.go b/vendor/github.com/google/go-github/v28/github/repos_deployments.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_deployments.go
rename to vendor/github.com/google/go-github/v28/github/repos_deployments.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_forks.go b/vendor/github.com/google/go-github/v28/github/repos_forks.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_forks.go
rename to vendor/github.com/google/go-github/v28/github/repos_forks.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_hooks.go b/vendor/github.com/google/go-github/v28/github/repos_hooks.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_hooks.go
rename to vendor/github.com/google/go-github/v28/github/repos_hooks.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_invitations.go b/vendor/github.com/google/go-github/v28/github/repos_invitations.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_invitations.go
rename to vendor/github.com/google/go-github/v28/github/repos_invitations.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_keys.go b/vendor/github.com/google/go-github/v28/github/repos_keys.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_keys.go
rename to vendor/github.com/google/go-github/v28/github/repos_keys.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_merging.go b/vendor/github.com/google/go-github/v28/github/repos_merging.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_merging.go
rename to vendor/github.com/google/go-github/v28/github/repos_merging.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_pages.go b/vendor/github.com/google/go-github/v28/github/repos_pages.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_pages.go
rename to vendor/github.com/google/go-github/v28/github/repos_pages.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_prereceive_hooks.go b/vendor/github.com/google/go-github/v28/github/repos_prereceive_hooks.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_prereceive_hooks.go
rename to vendor/github.com/google/go-github/v28/github/repos_prereceive_hooks.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_projects.go b/vendor/github.com/google/go-github/v28/github/repos_projects.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_projects.go
rename to vendor/github.com/google/go-github/v28/github/repos_projects.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_releases.go b/vendor/github.com/google/go-github/v28/github/repos_releases.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_releases.go
rename to vendor/github.com/google/go-github/v28/github/repos_releases.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_stats.go b/vendor/github.com/google/go-github/v28/github/repos_stats.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_stats.go
rename to vendor/github.com/google/go-github/v28/github/repos_stats.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_statuses.go b/vendor/github.com/google/go-github/v28/github/repos_statuses.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_statuses.go
rename to vendor/github.com/google/go-github/v28/github/repos_statuses.go
diff --git a/vendor/github.com/google/go-github/v25/github/repos_traffic.go b/vendor/github.com/google/go-github/v28/github/repos_traffic.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/repos_traffic.go
rename to vendor/github.com/google/go-github/v28/github/repos_traffic.go
diff --git a/vendor/github.com/google/go-github/v25/github/search.go b/vendor/github.com/google/go-github/v28/github/search.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/search.go
rename to vendor/github.com/google/go-github/v28/github/search.go
diff --git a/vendor/github.com/google/go-github/v25/github/strings.go b/vendor/github.com/google/go-github/v28/github/strings.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/strings.go
rename to vendor/github.com/google/go-github/v28/github/strings.go
diff --git a/vendor/github.com/google/go-github/v25/github/teams.go b/vendor/github.com/google/go-github/v28/github/teams.go
similarity index 85%
rename from vendor/github.com/google/go-github/v25/github/teams.go
rename to vendor/github.com/google/go-github/v28/github/teams.go
index a8247a3b7c..b4953e6387 100644
--- a/vendor/github.com/google/go-github/v25/github/teams.go
+++ b/vendor/github.com/google/go-github/v28/github/teams.go
@@ -476,3 +476,87 @@ func (s *TeamsService) RemoveTeamProject(ctx context.Context, teamID int64, proj
 
 	return s.client.Do(ctx, req, nil)
 }
+
+// IDPGroupList represents a list of external identity provider (IDP) groups.
+type IDPGroupList struct {
+	Groups []*IDPGroup `json:"groups,omitempty"`
+}
+
+// IDPGroup represents an external identity provider (IDP) group.
+type IDPGroup struct {
+	GroupID          *string `json:"group_id,omitempty"`
+	GroupName        *string `json:"group_name,omitempty"`
+	GroupDescription *string `json:"group_description,omitempty"`
+}
+
+// ListIDPGroupsInOrganization lists IDP groups available in an organization.
+//
+// GitHub API docs: https://developer.github.com/v3/teams/team_sync/#list-idp-groups-in-an-organization
+func (s *TeamsService) ListIDPGroupsInOrganization(ctx context.Context, org string, opt *ListOptions) (*IDPGroupList, *Response, error) {
+	u := fmt.Sprintf("orgs/%v/team-sync/groups", org)
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept header when this API fully launches.
+	req.Header.Set("Accept", mediaTypeTeamSyncPreview)
+
+	groups := new(IDPGroupList)
+	resp, err := s.client.Do(ctx, req, groups)
+	if err != nil {
+		return nil, resp, err
+	}
+	return groups, resp, nil
+}
+
+// ListIDPGroupsForTeam lists IDP groups connected to a team on GitHub.
+//
+// GitHub API docs: https://developer.github.com/v3/teams/team_sync/#list-idp-groups-for-a-team
+func (s *TeamsService) ListIDPGroupsForTeam(ctx context.Context, teamID string) (*IDPGroupList, *Response, error) {
+	u := fmt.Sprintf("teams/%v/team-sync/group-mappings", teamID)
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept header when this API fully launches.
+	req.Header.Set("Accept", mediaTypeTeamSyncPreview)
+
+	groups := new(IDPGroupList)
+	resp, err := s.client.Do(ctx, req, groups)
+	if err != nil {
+		return nil, resp, err
+	}
+	return groups, resp, err
+}
+
+// CreateOrUpdateIDPGroupConnections creates, updates, or removes a connection between a team
+// and an IDP group.
+//
+// GitHub API docs: https://developer.github.com/v3/teams/team_sync/#create-or-update-idp-group-connections
+func (s *TeamsService) CreateOrUpdateIDPGroupConnections(ctx context.Context, teamID string, opt IDPGroupList) (*IDPGroupList, *Response, error) {
+	u := fmt.Sprintf("teams/%v/team-sync/group-mappings", teamID)
+
+	req, err := s.client.NewRequest("PATCH", u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept header when this API fully launches.
+	req.Header.Set("Accept", mediaTypeTeamSyncPreview)
+
+	groups := new(IDPGroupList)
+	resp, err := s.client.Do(ctx, req, groups)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return groups, resp, nil
+}
diff --git a/vendor/github.com/google/go-github/v25/github/teams_discussion_comments.go b/vendor/github.com/google/go-github/v28/github/teams_discussion_comments.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/teams_discussion_comments.go
rename to vendor/github.com/google/go-github/v28/github/teams_discussion_comments.go
diff --git a/vendor/github.com/google/go-github/v25/github/teams_discussions.go b/vendor/github.com/google/go-github/v28/github/teams_discussions.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/teams_discussions.go
rename to vendor/github.com/google/go-github/v28/github/teams_discussions.go
diff --git a/vendor/github.com/google/go-github/v25/github/teams_members.go b/vendor/github.com/google/go-github/v28/github/teams_members.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/teams_members.go
rename to vendor/github.com/google/go-github/v28/github/teams_members.go
diff --git a/vendor/github.com/google/go-github/v25/github/timestamp.go b/vendor/github.com/google/go-github/v28/github/timestamp.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/timestamp.go
rename to vendor/github.com/google/go-github/v28/github/timestamp.go
diff --git a/vendor/github.com/google/go-github/v25/github/users.go b/vendor/github.com/google/go-github/v28/github/users.go
similarity index 99%
rename from vendor/github.com/google/go-github/v25/github/users.go
rename to vendor/github.com/google/go-github/v28/github/users.go
index 87cfa7f84b..2592aea0f4 100644
--- a/vendor/github.com/google/go-github/v25/github/users.go
+++ b/vendor/github.com/google/go-github/v28/github/users.go
@@ -47,6 +47,7 @@ type User struct {
 	Collaborators           *int       `json:"collaborators,omitempty"`
 	TwoFactorAuthentication *bool      `json:"two_factor_authentication,omitempty"`
 	Plan                    *Plan      `json:"plan,omitempty"`
+	LdapDn                  *string    `json:"ldap_dn,omitempty"`
 
 	// API URLs
 	URL               *string `json:"url,omitempty"`
diff --git a/vendor/github.com/google/go-github/v25/github/users_administration.go b/vendor/github.com/google/go-github/v28/github/users_administration.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/users_administration.go
rename to vendor/github.com/google/go-github/v28/github/users_administration.go
diff --git a/vendor/github.com/google/go-github/v25/github/users_blocking.go b/vendor/github.com/google/go-github/v28/github/users_blocking.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/users_blocking.go
rename to vendor/github.com/google/go-github/v28/github/users_blocking.go
diff --git a/vendor/github.com/google/go-github/v25/github/users_emails.go b/vendor/github.com/google/go-github/v28/github/users_emails.go
similarity index 90%
rename from vendor/github.com/google/go-github/v25/github/users_emails.go
rename to vendor/github.com/google/go-github/v28/github/users_emails.go
index 0bbd4627e3..78d2149119 100644
--- a/vendor/github.com/google/go-github/v25/github/users_emails.go
+++ b/vendor/github.com/google/go-github/v28/github/users_emails.go
@@ -9,9 +9,10 @@ import "context"
 
 // UserEmail represents user's email address
 type UserEmail struct {
-	Email    *string `json:"email,omitempty"`
-	Primary  *bool   `json:"primary,omitempty"`
-	Verified *bool   `json:"verified,omitempty"`
+	Email      *string `json:"email,omitempty"`
+	Primary    *bool   `json:"primary,omitempty"`
+	Verified   *bool   `json:"verified,omitempty"`
+	Visibility *string `json:"visibility,omitempty"`
 }
 
 // ListEmails lists all email addresses for the authenticated user.
diff --git a/vendor/github.com/google/go-github/v25/github/users_followers.go b/vendor/github.com/google/go-github/v28/github/users_followers.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/users_followers.go
rename to vendor/github.com/google/go-github/v28/github/users_followers.go
diff --git a/vendor/github.com/google/go-github/v25/github/users_gpg_keys.go b/vendor/github.com/google/go-github/v28/github/users_gpg_keys.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/users_gpg_keys.go
rename to vendor/github.com/google/go-github/v28/github/users_gpg_keys.go
diff --git a/vendor/github.com/google/go-github/v25/github/users_keys.go b/vendor/github.com/google/go-github/v28/github/users_keys.go
similarity index 89%
rename from vendor/github.com/google/go-github/v25/github/users_keys.go
rename to vendor/github.com/google/go-github/v28/github/users_keys.go
index ddc832a1ec..39a4f54d6c 100644
--- a/vendor/github.com/google/go-github/v25/github/users_keys.go
+++ b/vendor/github.com/google/go-github/v28/github/users_keys.go
@@ -12,11 +12,12 @@ import (
 
 // Key represents a public SSH key used to authenticate a user or deploy script.
 type Key struct {
-	ID       *int64  `json:"id,omitempty"`
-	Key      *string `json:"key,omitempty"`
-	URL      *string `json:"url,omitempty"`
-	Title    *string `json:"title,omitempty"`
-	ReadOnly *bool   `json:"read_only,omitempty"`
+	ID        *int64     `json:"id,omitempty"`
+	Key       *string    `json:"key,omitempty"`
+	URL       *string    `json:"url,omitempty"`
+	Title     *string    `json:"title,omitempty"`
+	ReadOnly  *bool      `json:"read_only,omitempty"`
+	CreatedAt *Timestamp `json:"created_at,omitempty"`
 }
 
 func (k Key) String() string {
diff --git a/vendor/github.com/google/go-github/v25/github/with_appengine.go b/vendor/github.com/google/go-github/v28/github/with_appengine.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/with_appengine.go
rename to vendor/github.com/google/go-github/v28/github/with_appengine.go
diff --git a/vendor/github.com/google/go-github/v25/github/without_appengine.go b/vendor/github.com/google/go-github/v28/github/without_appengine.go
similarity index 100%
rename from vendor/github.com/google/go-github/v25/github/without_appengine.go
rename to vendor/github.com/google/go-github/v28/github/without_appengine.go
diff --git a/vendor/modules.txt b/vendor/modules.txt
index b958c8d892..36138ab85d 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -74,8 +74,8 @@ github.com/google/go-cmp/cmp/internal/diff
 github.com/google/go-cmp/cmp/internal/flags
 github.com/google/go-cmp/cmp/internal/function
 github.com/google/go-cmp/cmp/internal/value
-# github.com/google/go-github/v25 v25.1.3
-github.com/google/go-github/v25/github
+# github.com/google/go-github/v28 v28.1.1
+github.com/google/go-github/v28/github
 # github.com/google/go-querystring v1.0.0
 github.com/google/go-querystring/query
 # github.com/google/uuid v1.1.1
@@ -261,19 +261,19 @@ go.opencensus.io/metric/metricproducer
 go.opencensus.io/resource
 # golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4
 golang.org/x/crypto/openpgp
-golang.org/x/crypto/bcrypt
-golang.org/x/crypto/ssh
 golang.org/x/crypto/openpgp/armor
 golang.org/x/crypto/openpgp/errors
 golang.org/x/crypto/openpgp/packet
 golang.org/x/crypto/openpgp/s2k
+golang.org/x/crypto/bcrypt
+golang.org/x/crypto/ssh
+golang.org/x/crypto/cast5
+golang.org/x/crypto/openpgp/elgamal
 golang.org/x/crypto/blowfish
 golang.org/x/crypto/curve25519
 golang.org/x/crypto/ed25519
 golang.org/x/crypto/internal/chacha20
 golang.org/x/crypto/poly1305
-golang.org/x/crypto/cast5
-golang.org/x/crypto/openpgp/elgamal
 golang.org/x/crypto/ed25519/internal/edwards25519
 golang.org/x/crypto/internal/subtle
 # golang.org/x/net v0.0.0-20190502183928-7f726cade0ab