Merge pull request #67087 from xing-yang/datasource

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.

Add DataSource and TypedLocalObjectReference

**What this PR does / why we need it**:
This PR adds TypedLocalObjectReference in the core API and adds DataSource in PersistentVolumeClaimSpec.

It also enables feature gate for VolumeSnapshotDataSource.

This is part of the CSI snapshot design proposal to support restoring a volume from a snapshot: 
kubernetes/community#2495

**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 #
kubernetes/enhancements#177

**Special notes for your reviewer**:

**Release note**:

```release-note
Added support to restore a volume from a volume snapshot data source. 
```

Kubernetes-commit: d97ece0f36578b3af1c9ce275d184d711aa29baf