Merge pull request #63100 from ravisantoshgudimetla/priority-beta-api

Automatic merge from submit-queue (batch tested with PRs 55511, 63372, 63400, 63100, 63769). 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>.

Create pkg/scheduling/apis/v1beta1 and move priorityClass to beta

**What this PR does / why we need it**:
This is for creating pkg/apis/scheduling/v1beta1 so that priorityClasses could be moved to beta.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of #57471

**Special notes for your reviewer**:
/cc @bsalamat @aveshagarwal

**Release note**:

```release-note
The `PriorityClass` API is promoted to `scheduling.k8s.io/v1beta1`
```

Kubernetes-commit: a1b54f3c99f2ae4d7d10c269939e5c0bb6d03e6f

vendor/k8s.io/client-go/informers/scheduling/interface.go

@@ -21,12 +21,15 @@ package scheduling
 import (
 	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
 	v1alpha1 "k8s.io/client-go/informers/scheduling/v1alpha1"
+	v1beta1 "k8s.io/client-go/informers/scheduling/v1beta1"
 )
 
 // Interface provides access to each of this group's versions.
 type Interface interface {
 	// V1alpha1 provides access to shared informers for resources in V1alpha1.
 	V1alpha1() v1alpha1.Interface
+	// V1beta1 provides access to shared informers for resources in V1beta1.
+	V1beta1() v1beta1.Interface
 }
 
 type group struct {
@@ -44,3 +47,8 @@ func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakList
 func (g *group) V1alpha1() v1alpha1.Interface {
 	return v1alpha1.New(g.factory, g.namespace, g.tweakListOptions)
 }
+
+// V1beta1 returns a new v1beta1.Interface.
+func (g *group) V1beta1() v1beta1.Interface {
+	return v1beta1.New(g.factory, g.namespace, g.tweakListOptions)
+}