Merge pull request #30237 from mikedanese/csr-porcelain

Automatic merge from submit-queue

implement kubectl procelain csr commands

cc @gtank

ref #30163

pkg/kubectl/cmd/cmd.go

@@ -251,6 +251,7 @@ func NewKubectlCommand(f cmdutil.Factory, in io.Reader, out, err io.Writer) *cob
 		{
 			Message: "Cluster Management Commands:",
 			Commands: []*cobra.Command{
+				NewCmdCertificate(f, out),
 				NewCmdClusterInfo(f, out),
 				NewCmdTop(f, out, err),
 				NewCmdCordon(f, out),