Update Kubernetes vendor to v1.22.0 (#46)

* Update Kubernetes vendor to v1.22.0

* No longer use gocenter.io for go proxy

* No longer need to set GO111MODULE=on due to default

Makefile

@@ -1,4 +1,4 @@
-GO ?= GO111MODULE=on GOPROXY=https://gocenter.io go
+GO ?= go
 DIST_DIR := dist
 GIT_VERSION ?= $(shell ./hack/git-version.sh)
 

go.mod

@@ -3,12 +3,12 @@ module github.com/superbrothers/kubectl-view-serviceaccount-kubeconfig-plugin
 go 1.16
 
 require (
-	github.com/spf13/cobra v1.1.1
+	github.com/spf13/cobra v1.1.3
 	github.com/spf13/pflag v1.0.5
-	k8s.io/api v0.21.0
-	k8s.io/apimachinery v0.21.0
-	k8s.io/cli-runtime v0.21.0
-	k8s.io/client-go v0.21.0
-	k8s.io/klog/v2 v2.8.0
-	k8s.io/kubectl v0.21.0
+	k8s.io/api v0.22.0
+	k8s.io/apimachinery v0.22.0
+	k8s.io/cli-runtime v0.22.0
+	k8s.io/client-go v0.22.0
+	k8s.io/klog/v2 v2.9.0
+	k8s.io/kubectl v0.22.0
 )