Fixed an issue where reboot handler did not trigger in updates role

nova/core/roles/updates/tasks/debian_family.yml

@@ -17,6 +17,7 @@
   ansible.builtin.stat:
     path: /var/run/reboot-required
   register: reboot_required_file
+  changed_when: reboot_required_file.stat.exists # This will only show as changed if the file exists, required to trigger the notify below
   notify: Rebooting...
   when: debian_family_updates_allow_reboot