Add "list" action to audit functionality and French translations

- Introduced `AUDIT_LIST` constant in `AuditTrail` entity to support "list" action auditing.
- Updated French translations (`messages.fr.yml`) to include label for "list" action.

src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php

@@ -263,7 +263,7 @@ final class AccompanyingCourseApiController extends ApiController
                     AuditTrail::AUDIT_DELETE,
                     $accompanyingPeriod,
                     description: new TranslatableMessage('audit.accompanying_period.remove_requestor'),
-                    metadata: ['t' => $accompanyingPeriod->getRequestorKind(), 'requestor' => $accompanyingPeriod->getRequestor()->getId()],
+                    metadata: ['t' => $accompanyingPeriod->getRequestorKind()],
                 );
             }
         }