Automatic merge from submit-queue (batch tested with PRs 54005, 55127, 53850, 55486, 53440). 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>.
Validation webhook plugin converts objects to the external version before sending to webhooks
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
https://github.com/kubernetes/features/issues/492
**Special notes for your reviewer**:
**Release note**:
```release-note
The apiserver sends external versioned object to the admission webhooks now. Please update the webhooks to expect admissionReview.spec.object.raw to be serialized external versions of objects.
```
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