fix: added update to setGameWinner in GameServiceImpl

src/main/java/cz/muni/fi/pa165/icehockeymanager/services/GameServiceImpl.java

@@ -58,5 +58,6 @@ public class GameServiceImpl implements GameService {
     @Override
     public void setGameWinner(Game game, Team team) {
         game.setWinner(team);
+        gameDao.update(game);
     }
 }