go.mod: use go 1.22.0

Update all places that specify the go version.

.github/workflows/gitlab-helper.yml

@@ -18,10 +18,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-      - name: Set up Go 1.21
+      - name: Set up Go 1.22
         uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          go-version: "1.22"
         id: go
 
       - name: Check out code into the Go module directory

.github/workflows/test-osbuild-composer-intergation.yml

@@ -50,10 +50,10 @@ jobs:
     name: "⌨ osbuild-composer Golang Lint"
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.21
+      - name: Set up Go 1.22
         uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          go-version: "1.22"
         id: go
 
       - name: Check out osbuild-composer main branch

.github/workflows/tests.yml

@@ -60,10 +60,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Set up Go 1.21
+      - name: Set up Go 1.22
         uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          go-version: "1.22"
         id: go
 
       - name: Check out code into the Go module directory
@@ -130,10 +130,10 @@ jobs:
     name: "⌨ Lint"
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.21
+      - name: Set up Go 1.22
         uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          go-version: "1.22"
         id: go
 
       - name: Check out code into the Go module directory

go.mod

@@ -1,8 +1,8 @@
 module github.com/osbuild/images
 
-go 1.21.0
+go 1.22.0
 
-toolchain go1.22.5
+toolchain go1.23.1
 
 require (
 	cloud.google.com/go/compute v1.28.0

tools/prepare-source.sh

@@ -2,7 +2,7 @@
 
 set -eux
 
-GO_VERSION=1.21.11
+GO_VERSION=1.22.0
 GO_BINARY=$(go env GOPATH)/bin/go$GO_VERSION
 
 # this is the official way to get a different version of golang