Automatic merge from submit-queue (batch tested with PRs 52748, 56623). 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>.
Declare ipvs proxier beta in v1.9
**What this PR does / why we need it**:
This PR declares ipvs proxier beta - we have finished all tasks in IPVS proxier beta scope.
**Which issue(s) this PR fixes**:
Fixes#51602
**Special notes for your reviewer**:
**Release note**:
```release-note
Declare ipvs proxier beta
```