Merge pull request #30674 from liggitt/podsecurity-beta

Update webhook anchor

Author: k8s-ci-robot

content/en/docs/concepts/security/pod-security-admission.md

@@ -44,7 +44,7 @@ is an Alpha feature and must be enabled in `kube-apiserver` in order to use the
 --feature-gates="...,PodSecurity=true"
 ```
 
-## Alternative: installing the `PodSecurity` admission webhook
+## Alternative: installing the `PodSecurity` admission webhook {#webhook}
 
 For environments where the built-in `PodSecurity` admission plugin cannot be used,
 either because the cluster is older than v1.22, or the `PodSecurity` feature cannot be enabled,