Merge pull request #54508 from ivan4th/fix-hyperkube-kubelet-dockershim

Automatic merge from submit-queue (batch tested with PRs 54438, 54508). 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>.

Fix hyperkube kubelet --experimental-dockershim

**What this PR does / why we need it**:
This makes hyperkube kubelet command support `--experimental-dockershim` flag.

**Which issue this PR fixes** fixes #54424

**Release note**:

```release-note
Fix hyperkube kubelet --experimental-dockershim
```

cmd/hyperkube/kubelet.go

@@ -39,6 +39,9 @@ func NewKubelet() (*Server, error) {
 		configuration data, with the running set of containers by starting or stopping
 		Docker containers.`,
 		Run: func(_ *Server, _ []string, stopCh <-chan struct{}) error {
+			if s.ExperimentalDockershim {
+				return app.RunDockershim(&s.KubeletFlags, &s.KubeletConfiguration)
+			}
 			return app.Run(s, nil)
 		},
 	}