Change SHUTTLE_WILL_ARRIVE_AT_STOP to return payload of last stop and current stop, to avoid data race

src/repositories/shuttle/RedisShuttleRepository.ts

@@ -405,7 +405,10 @@ export class RedisShuttleRepository extends BaseRedisRepository implements Shutt
         timestamp: new Date(travelTimeTimestamp),
         shuttleId: shuttle.id,
       };
-      this.emit(ShuttleRepositoryEvent.SHUTTLE_WILL_ARRIVE_AT_STOP, shuttleArrival);
+      this.emit(ShuttleRepositoryEvent.SHUTTLE_WILL_ARRIVE_AT_STOP, {
+        lastArrival: lastStop,
+        currentArrival: shuttleArrival,
+      });
       await this.updateShuttleLastStopArrival(shuttleArrival);
     }
   }