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/authentication/v1/zz_generated.deepcopy.go

@@ -98,21 +98,13 @@ func (in *TokenRequestSpec) DeepCopyInto(out *TokenRequestSpec) {
 	}
 	if in.ExpirationSeconds != nil {
 		in, out := &in.ExpirationSeconds, &out.ExpirationSeconds
-		if *in == nil {
-			*out = nil
-		} else {
-			*out = new(int64)
-			**out = **in
-		}
+		*out = new(int64)
+		**out = **in
 	}
 	if in.BoundObjectRef != nil {
 		in, out := &in.BoundObjectRef, &out.BoundObjectRef
-		if *in == nil {
-			*out = nil
-		} else {
-			*out = new(BoundObjectReference)
-			**out = **in
-		}
+		*out = new(BoundObjectReference)
+		**out = **in
 	}
 	return
 }
@@ -217,12 +209,15 @@ func (in *UserInfo) DeepCopyInto(out *UserInfo) {
 		in, out := &in.Extra, &out.Extra
 		*out = make(map[string]ExtraValue, len(*in))
 		for key, val := range *in {
+			var outVal []string
 			if val == nil {
 				(*out)[key] = nil
 			} else {
-				(*out)[key] = make([]string, len(val))
-				copy((*out)[key], val)
+				in, out := &val, &outVal
+				*out = make(ExtraValue, len(*in))
+				copy(*out, *in)
 			}
+			(*out)[key] = outVal
 		}
 	}
 	return