Added loop label when saving account credentials to vault in `secrets…

…_to_vault` role

nova/core/roles/secrets_to_vault/tasks/main.yml

@@ -18,6 +18,7 @@
   loop: "{{ accounts }}"
   loop_control:
     loop_var: account
+    label: "{{ account.username }}"
   when:
     - secrets == []
     - customization_context == "host" # Alternative is container that doesn't need this task because it's running on the host