role-sync-controller: Update to version main-4

Update container-registry.zalando.net/teapot/role-sync-controller to version main-4

Author: k8s-on-aws-manager-app[bot]

cluster/manifests/role-sync-controller/cronjob.yaml

@@ -26,7 +26,7 @@ spec:
           restartPolicy: OnFailure
           containers:
           - name: role-sync-controller
-            image: container-registry.zalando.net/teapot/role-sync-controller:main-2
+            image: container-registry.zalando.net/teapot/role-sync-controller:main-4
             args:
               - --subject-group=PowerUser
               - --subject-group=Manual