Add no_log true to prepare_leaf task

Using best practices and security hygiene.

Signed-off-by: Enrique Vallespi Gil <evallesp@redhat.com>

Author: evallesp

hooks/playbooks/skmo/prepare-leaf.yaml

@@ -114,6 +114,7 @@
           openstack role add --project {{ leaf_admin_project }} --user {{ leaf_admin_user }} admin
       args:
         executable: /bin/bash
+      no_log: true
 
     - name: Get existing leaf CA bundle secret if present
       kubernetes.core.k8s_info: