Merge pull request #44 from rhkr8521/fix/#return-date-format

[FIX] 댓글 날짜 반환 포맷 수정

Author: rhkr8521

src/main/java/com/rhkr8521/mapping/api/comment/dto/CommentResponseDTO.java

@@ -21,7 +21,7 @@ public class CommentResponseDTO {
     private boolean myLike;
 
     public static CommentResponseDTO fromEntity(Comment comment, boolean myLike) {
-        DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy:MM:dd HH:mm:ss");
+        DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
 
         return CommentResponseDTO.builder()
                 .id(comment.getId())