Merge pull request #65645 from sttts/sttts-gengo-import-aliases

Automatic merge from submit-queue (batch tested with PRs 65582, 65480, 65310, 65644, 65645). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Bump gengo to remove _ from generated import aliases

Pickup https://github.com/kubernetes/gengo/pull/113 and https://github.com/kubernetes/gengo/pull/111.

Avoid tons of golint exceptions for https://github.com/kubernetes/kubernetes/pull/64664.

Kubernetes-commit: a9be647e65c02c26528cec3cf912d06d12d374c2

vendor/k8s.io/apimachinery/pkg/runtime/zz_generated.deepcopy.go

@@ -28,9 +28,7 @@ func (in *RawExtension) DeepCopyInto(out *RawExtension) {
 		*out = make([]byte, len(*in))
 		copy(*out, *in)
 	}
-	if in.Object == nil {
-		out.Object = nil
-	} else {
+	if in.Object != nil {
 		out.Object = in.Object.DeepCopyObject()
 	}
 	return
@@ -83,9 +81,7 @@ func (in *VersionedObjects) DeepCopyInto(out *VersionedObjects) {
 		in, out := &in.Objects, &out.Objects
 		*out = make([]Object, len(*in))
 		for i := range *in {
-			if (*in)[i] == nil {
-				(*out)[i] = nil
-			} else {
+			if (*in)[i] != nil {
 				(*out)[i] = (*in)[i].DeepCopyObject()
 			}
 		}