promote the remainingItemCount field to beta

Author: Chao Xu

api/openapi-spec/swagger.json

@@ -95,9 +95,6 @@ type ListMeta struct {
 	// Servers older than v1.15 do not set this field.
 	// The intended use of the remainingItemCount is *estimating* the size of a collection. Clients
 	// should not rely on the remainingItemCount to be set or to be exact.
-	//
-	// This field is alpha and can be changed or removed without notice.
-	//
 	// +optional
 	RemainingItemCount *int64 `json:"remainingItemCount,omitempty" protobuf:"bytes,4,opt,name=remainingItemCount"`
 }

staging/src/k8s.io/apiextensions-apiserver/pkg/generated/openapi/zz_generated.openapi.go

@@ -155,7 +155,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 	APIResponseCompression:  {Default: true, PreRelease: featuregate.Beta},
 	APIListChunking:         {Default: true, PreRelease: featuregate.Beta},
 	DryRun:                  {Default: true, PreRelease: featuregate.Beta},
-	RemainingItemCount:      {Default: false, PreRelease: featuregate.Alpha},
+	RemainingItemCount:      {Default: true, PreRelease: featuregate.Beta},
 	ServerSideApply:         {Default: false, PreRelease: featuregate.Alpha},
 	StorageVersionHash:      {Default: true, PreRelease: featuregate.Beta},
 	WinOverlay:              {Default: false, PreRelease: featuregate.Alpha},