Merge pull request #38908 from mathieu-benoit/patch-2

Mark automatic labelling on namespaces as stable since 1.22

Author: k8s-ci-robot

content/en/docs/concepts/overview/working-with-objects/namespaces.md

@@ -147,7 +147,7 @@ kubectl api-resources --namespaced=false
 
 ## Automatic labelling
 
-{{< feature-state state="beta" for_k8s_version="1.21" >}}
+{{< feature-state for_k8s_version="1.22" state="stable" >}}
 
 The Kubernetes control plane sets an immutable {{< glossary_tooltip text="label" term_id="label" >}}
 `kubernetes.io/metadata.name` on all namespaces, provided that the `NamespaceDefaultLabelName`