Only change the registry when running in the CI (#1917)

Signed-off-by: Christian Berendt <[email protected]>

ansible/manager-part-1.yml

@@ -61,6 +61,7 @@
     - name: Set docker registries
       ansible.builtin.command:
         cmd: /opt/configuration/scripts/set-docker-registry.sh
+      when: is_zuul | bool
       changed_when: true
 
     - name: Set docker namespace for kolla (when working with stable tags)