Merge #5962

5962: Update Korean translations by CHaBek r=heinrich5991 a=cwh7435

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## Checklist

- [ ] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test (especially base/) or added coverage to integration test
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


Co-authored-by: CHaBek <44938972+cwh7435@users.noreply.github.com>

data/languages/korean.txt

@@ -12,6 +12,7 @@
 # 2022-07-05 CHaBek
 # 2022-08-17 CHaBek
 # 2022-09-18 CHaBek
+# 2022-10-20 CHaBek
 ##### /authors #####
 
 ##### translated strings #####
@@ -1613,7 +1614,7 @@ Freeze Laser Inner Color
 == 동결 레이저 광선 색상
 
 Menu opened. Press Esc key again to close menu.
-== 
+== 메뉴가 열려 있습니다. Esc 키를 눌러 닫을 수 있습니다.
 
 Set all to Rifle
-== 
+== 소총 색상으로 통일