Add raw tags

Author: jovial

etc/kayobe/kolla/config/grafana/dashboards/openstack/redfish.json

@@ -1,3 +1,4 @@
+{% raw %}
 {
   "annotations": {
     "list": [
@@ -3504,3 +3505,4 @@
   "version": 2,
   "weekStart": ""
 }
+{% endraw %}