Fix `ready` to not to be an AnsibleUnsafeText (#3404)

contrib/network-storage/heketi/roles/provision/tasks/glusterfs.yml

@@ -22,7 +22,7 @@
     daemonset_state: { stdout: "{}" }
     ready: "{{ daemonset_state.stdout|from_json|json_query(\"status.numberReady\") }}"
     desired: "{{ daemonset_state.stdout|from_json|json_query(\"status.desiredNumberScheduled\") }}"
-  until: "ready >= 3"
+  until: "ready | int >= 3"
   retries: 60
   delay: 5