Merge pull request #65050 from sttts/sttts-deepcopy-update

Automatic merge from submit-queue (batch tested with PRs 64895, 64938, 63700, 65050, 64957). 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 include uniform pointer deepcopy

This bumps k8s.io/gengo with uniform pointer support in deepcopy-gen.

Fixes https://github.com/kubernetes/code-generator/issues/45.

Kubernetes-commit: d1f5cb2348dfaeabe26ff5539b05568ab6f8a830

vendor/k8s.io/api/storage/v1/zz_generated.deepcopy.go

@@ -39,12 +39,8 @@ func (in *StorageClass) DeepCopyInto(out *StorageClass) {
 	}
 	if in.ReclaimPolicy != nil {
 		in, out := &in.ReclaimPolicy, &out.ReclaimPolicy
-		if *in == nil {
-			*out = nil
-		} else {
-			*out = new(core_v1.PersistentVolumeReclaimPolicy)
-			**out = **in
-		}
+		*out = new(core_v1.PersistentVolumeReclaimPolicy)
+		**out = **in
 	}
 	if in.MountOptions != nil {
 		in, out := &in.MountOptions, &out.MountOptions
@@ -53,21 +49,13 @@ func (in *StorageClass) DeepCopyInto(out *StorageClass) {
 	}
 	if in.AllowVolumeExpansion != nil {
 		in, out := &in.AllowVolumeExpansion, &out.AllowVolumeExpansion
-		if *in == nil {
-			*out = nil
-		} else {
-			*out = new(bool)
-			**out = **in
-		}
+		*out = new(bool)
+		**out = **in
 	}
 	if in.VolumeBindingMode != nil {
 		in, out := &in.VolumeBindingMode, &out.VolumeBindingMode
-		if *in == nil {
-			*out = nil
-		} else {
-			*out = new(VolumeBindingMode)
-			**out = **in
-		}
+		*out = new(VolumeBindingMode)
+		**out = **in
 	}
 	if in.AllowedTopologies != nil {
 		in, out := &in.AllowedTopologies, &out.AllowedTopologies