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/apis/meta/v1beta1/zz_generated.deepcopy.go

@@ -58,9 +58,7 @@ func (in *PartialObjectMetadataList) DeepCopyInto(out *PartialObjectMetadataList
 		in, out := &in.Items, &out.Items
 		*out = make([]*PartialObjectMetadata, len(*in))
 		for i := range *in {
-			if (*in)[i] == nil {
-				(*out)[i] = nil
-			} else {
+			if (*in)[i] != nil {
 				in, out := &(*in)[i], &(*out)[i]
 				*out = new(PartialObjectMetadata)
 				(*in).DeepCopyInto(*out)