Automatic merge from submit-queue.

Automated cherry pick of #61459: etcd client add dial timeout

Cherry pick of #61459 on release-1.10.

Fixes https://github.com/kubernetes/kubernetes/issues/62538

#61459: etcd client add dial timeout

```release-note
kube-apiserver now sets a dial timeout when connecting to etcd, to allow it to tolerate/retry connections to a dead etcd server
```