Override rabbitmq version to 4.1

Author: seunghun1ee

etc/kayobe/kolla/globals.yml

@@ -58,3 +58,5 @@ prometheus_blackbox_exporter_endpoints_kayobe:
     enabled: "{{ seed_pulp_container_enabled | bool }}"
 
 prometheus_openstack_exporter_interval: "{{ stackhpc_prometheus_openstack_exporter_interval }}s"
+
+rabbitmq_image: "{% raw %}{{ docker_registry ~ '/' if docker_registry else '' }}{{ docker_namespace }}/rabbitmq-4-1{% endraw %}"