Merge "Fix murano notification driver"

ansible/roles/murano/templates/murano.conf.j2

@@ -40,4 +40,4 @@ rabbit_ha_queues = true
 rabbit_hosts = {% for host in groups['rabbitmq'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ rabbitmq_port }}{% if not loop.last %},{% endif %}{% endfor %}
 
 [oslo_messaging_notifications]
-driver = noop
+driver = messagingv2