fix: Change default http host. (#1228)

Author: bgrozev

jicofo-selector/src/main/resources/reference.conf

@@ -361,7 +361,7 @@ jicofo {
   rest {
     enabled = true
     port = 8888
-    host = "0.0.0.0"
+    host = "127.0.0.1"
 
     prometheus {
       // Enable the prometheus /metrics endpoint.