Do not log passwords

This prevents data to be leaked into the callback plugin.

Change-Id: I5c9384a9763fdf4dde55e85f2fc62080d7c04b53
(cherry picked from commit e49bb6d197)
(cherry picked from commit bbdfbb8ede)

playbooks/common-tasks/rabbitmq-vhost-user.yml

@@ -36,6 +36,7 @@
     write_priv: ".*"
     state: "present"
   delegate_to: "{{ groups[_rabbitmq_host_group][0] }}"
+  no_log: true
   tags:
     - common-rabbitmq
 

playbooks/rabbitmq-install.yml

@@ -71,6 +71,7 @@
          password: "{{ rabbitmq_monitoring_password }}"
          tags: "monitoring"
          state: "present"
+      no_log: true
       when: rabbitmq_monitoring_password is defined
   environment: "{{ deployment_environment_variables | default({}) }}"
   tags: