Merge pull request #63346 from roycaihw/bump-kube-openapi

Automatic merge from submit-queue (batch tested with PRs 61455, 63346, 63130, 63404). 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 kube-openapi dependency

**What this PR does / why we need it**:
Pick up https://github.com/kubernetes/kube-openapi/pull/64

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #63218

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

/sig api-machinery
/cc @mbohlool @liggitt

Kubernetes-commit: 89e6895e1c550658b7c145436868b70fb3cabbcd

vendor/k8s.io/code-generator/Godeps/Godeps.json

@@ -260,11 +260,11 @@
 		},
 		{
 			"ImportPath": "k8s.io/kube-openapi/pkg/common",
-			"Rev": "50ae88d24ede7b8bad68e23c805b5d3da5c8abaf"
+			"Rev": "f08db293d3ef80052d6513ece19792642a289fea"
 		},
 		{
 			"ImportPath": "k8s.io/kube-openapi/pkg/generators",
-			"Rev": "50ae88d24ede7b8bad68e23c805b5d3da5c8abaf"
+			"Rev": "f08db293d3ef80052d6513ece19792642a289fea"
 		}
 	]
 }