Reapply "chore: Add OwnerReferencesPermissionEnforcement to kind in CI"

This reverts commit a6557b7.

Now that the remaining outstanding issues have been fixed, let's enable
again the OwnerReferencesPermissionEnforcement admission plugin in
Cluster Mesh workflows, to simplify catching possible regressions in
the future.

Signed-off-by: Marco Iorio <marco.iorio@isovalent.com>

Author: giorio94

.github/kind-config.yaml.tmpl

@@ -10,6 +10,12 @@ nodes:
         kind: InitConfiguration
         nodeRegistration:
           taints: []
+      - |
+        kind: ClusterConfiguration
+        apiServer:
+          extraArgs:
+            enable-admission-plugins: NodeRestriction,OwnerReferencesPermissionEnforcement
+
   - role: worker
   - role: worker
 networking: