Update actions/checkout action to v6

clusters/cl01tl/applications/booklore/templates/namespace.yaml

@@ -2,9 +2,11 @@ apiVersion: v1
 kind: Namespace
 metadata:
   name: booklore
-  annotations:
-    volsync.backube/privileged-movers: "true"
   labels:
     app.kubernetes.io/name: booklore
     app.kubernetes.io/instance: {{ .Release.Name }}
     app.kubernetes.io/part-of: {{ .Release.Name }}
+    pod-security.kubernetes.io/audit: privileged
+    pod-security.kubernetes.io/enforce: privileged
+    pod-security.kubernetes.io/warn: privileged
+    volsync.backube/privileged-movers: "true"