Merge pull request kcp-dev#3135 from embik/set-kubectl-workspace-version

✨ Add version to kubectl-workspace

cli/pkg/workspace/cmd/cmd.go

@@ -23,6 +23,7 @@ import (
 	"github.com/spf13/pflag"
 
 	"k8s.io/cli-runtime/pkg/genericclioptions"
+	"k8s.io/component-base/version"
 
 	"github.com/kcp-dev/kcp/cli/pkg/workspace/plugin"
 )
@@ -101,6 +102,12 @@ func New(streams genericclioptions.IOStreams) (*cobra.Command, error) {
 	}
 	cmdOpts.BindFlags(cmd)
 
+	if v := version.Get().String(); len(v) == 0 {
+		cmd.Version = "<unknown>"
+	} else {
+		cmd.Version = v
+	}
+
 	useWorkspaceOpts := plugin.NewUseWorkspaceOptions(streams)
 	useCmd := &cobra.Command{
 		Aliases:      []string{"cd"},