Automatic merge from submit-queue (batch tested with PRs 64344, 64709, 64717, 63631, 58647). 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>.
Add support for enforcing read only host paths in PSPs.
**What this PR does / why we need it**:
This PR adds support for the PSP to enforce that host paths are readonly.
**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#57371
xref https://github.com/kubernetes/features/issues/5
**Special notes for your reviewer**:
**Release note**:
```release-note
PodSecurityPolicy now supports restricting hostPath volume mounts to be readOnly and under specific path prefixes
```
/cc @ericchiang @liggitt
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