WTF-539 Add missing vendored dependencies back

vendor/k8s.io/client-go/pkg/version/doc.go

@@ -0,0 +1,21 @@
+/*
+Copyright 2014 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// +k8s:openapi-gen=true
+
+// Package version supplies version information collected at build time to
+// kubernetes components.
+package version // import "k8s.io/client-go/pkg/version"