chore: Java 스타일 수정

Author: github-actions

backend/src/main/java/io/f1/backend/domain/game/app/GameService.java

@@ -5,8 +5,8 @@
 import static io.f1.backend.domain.game.mapper.RoomMapper.toQuestionStartResponse;
 import static io.f1.backend.domain.quiz.mapper.QuizMapper.toGameStartResponse;
 
-import io.f1.backend.domain.game.dto.request.GameSettingChanger;
 import io.f1.backend.domain.game.dto.MessageType;
+import io.f1.backend.domain.game.dto.request.GameSettingChanger;
 import io.f1.backend.domain.game.dto.response.PlayerListResponse;
 import io.f1.backend.domain.game.event.RoomUpdatedEvent;
 import io.f1.backend.domain.game.model.Player;