Format Octavia service status in upper case

Author: priteau

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

@@ -323,12 +323,12 @@
                 "0": {
                   "color": "red",
                   "index": 1,
-                  "text": "Down"
+                  "text": "DOWN"
                 },
                 "1": {
                   "color": "green",
                   "index": 0,
-                  "text": "Up"
+                  "text": "UP"
                 }
               },
               "type": "value"
@@ -969,4 +969,4 @@
   "version": 1,
   "weekStart": ""
 }
-{% endraw %}
+{% endraw %}