use ip instead of hostname for ntp server

playbooks/templates/chrony-customization.bu.j2

@@ -11,7 +11,7 @@ storage:
     overwrite: true
     contents:
       inline: |
-        server utility.lab.example.com iburst
+        server 192.168.50.254 iburst
         driftfile /var/lib/chrony/drift
         makestep 1.0 3
         rtcsync