Silence ansible-lint error 503, "Tasks that run when changed should likely be handlers"

In these cases, we actually want to conditionally reload the daemon at
that stage in the play, not in a handler at the end.

roles/taiga-back/tasks/systemd.yml

@@ -20,7 +20,7 @@
   become_user: root
   systemd:
     daemon_reload: true
-  when: _taiga_service_unit.changed
+  when: _taiga_service_unit.changed  # noqa 503
   tags:
     - config
     - back-config

roles/taiga-events/tasks/systemd.yml

@@ -17,7 +17,7 @@
   become_user: root
   systemd:
     daemon_reload: true
-  when: _taiga_events_service_unit.changed
+  when: _taiga_events_service_unit.changed  # noqa 503
   tags:
     - config
     - events-config