Automatic merge from submit-queue. 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>.
controller-managers: allow high ports in secure serving validation
Certain operating systems will select high port (>32768) when asked for a free port. This PR changes the validation to allow that.
Like https://github.com/kubernetes/kubernetes/pull/65833, but for controller managers.
```release-note
Allow kube- and cloud-controller-manager to listen on ports up to 65535.
```
86b9a53226