docker2podman: import ceph-defaults in first play

We must import this role in the first play otherwise the first call to
`client_group_name`fails.

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1777829

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
(cherry picked from commit 6526a25ab5)

infrastructure-playbooks/docker-to-podman.yml

@@ -21,6 +21,9 @@
     - import_tasks: "{{ playbook_dir }}/../raw_install_python.yml"
 
   tasks:
+    - import_role:
+        name: ceph-defaults
+
     # pre-tasks for following import -
     - name: gather facts
       setup: