Merge pull request #66971 from tnozicka/informer-watcher

Automatic merge from submit-queue. 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>.

#50102 Task 2: Add UntilWithSync

**What this PR does / why we need it**:
This is a split off from https://github.com/kubernetes/kubernetes/pull/50102 to go in smaller pieces.

Introduces UntilWithSync based on informer.

**Needs https://github.com/kubernetes/kubernetes/pull/66906 first**
/hold

**Release note**:
```release-note
NONE
```

/priority important-soon
/kind bug
(bug after the main PR which is this split from)

Kubernetes-commit: c4f355a2ad9692f5459541d4e4d94fcbc5f7d946

vendor/k8s.io/api/admissionregistration/v1beta1/zz_generated.deepcopy.go

@@ -252,6 +252,11 @@ func (in *Webhook) DeepCopyInto(out *Webhook) {
 		*out = new(v1.LabelSelector)
 		(*in).DeepCopyInto(*out)
 	}
+	if in.SideEffects != nil {
+		in, out := &in.SideEffects, &out.SideEffects
+		*out = new(SideEffectClass)
+		**out = **in
+	}
 	return
 }