[fix] #122 엔드포인트 수정

src/main/java/org/sopt/sweet/domain/gift/controller/GiftController.java

@@ -89,7 +89,7 @@ public ResponseEntity<SuccessResponse<?>> getRanking(@PathVariable Long roomId)
         return SuccessResponse.ok(ranking);
     }
 
-    @PostMapping("/tournament/end/{roomId}")
+    @PostMapping("/tournament-end/{roomId}")
     public ResponseEntity<SuccessResponse<?>> endTournament(@UserId Long userId, @PathVariable Long roomId) {
         giftService.endTournament(roomId);
         return SuccessResponse.created(null);