feat(i18n): update Korean translations

Currently translated at 100.0% (277 of 277 strings)

Co-authored-by: 김도훈 <op@kdh.io>
Translate-URL: https://hosted.weblate.org/projects/discord-tickets/bot/ko/
Translation: Discord Tickets/Bot

src/i18n/ko.yml

@@ -22,7 +22,7 @@ buttons:
     text: 나에게 배정
   close:
     emoji: ✖️
-    text: 닫기
+    text: 종료
   confirm_open:
     emoji: ✅
     text: 티켓 만들기