Merge pull request #50919 from wongma7/mount-options

Automatic merge from submit-queue (batch tested with PRs 50919, 51410, 50099, 51300, 50296)

Take mount options to GA by adding PV.spec.mountOptions

**What this PR does / why we need it**: Implements https://github.com/kubernetes/community/pull/771

issue: https://github.com/kubernetes/features/issues/168

**Special notes for your reviewer**:

TODO:
- ~StorageClass mountOptions~

As described in proposal, this adds PV.spec.mountOptions + mountOptions parameter to every plugin that is both provisionable & supports mount options.

(personally, even having done all the work already, i don't agree w/ the proposal that mountOptions should be SC parameter but... :))

**Release note**:

```release-note
Add mount options field to PersistentVolume spec
```

pkg/api/types.go

@@ -455,6 +455,10 @@ type PersistentVolumeSpec struct {
 	// means that this volume does not belong to any StorageClass.
 	// +optional
 	StorageClassName string
+	// A list of mount options, e.g. ["ro", "soft"]. Not validated - mount will
+	// simply fail if one is invalid.
+	// +optional
+	MountOptions []string
 }
 
 // PersistentVolumeReclaimPolicy describes a policy for end-of-life maintenance of persistent volumes