fix : initNote 의 매물 이름 생성 방식 변경

Author: sonjusun

src/main/java/umc/th/juinjang/domain/limjang/model/Limjang.java

@@ -187,7 +187,7 @@ public static Limjang create(Member member, LimjangPrice price, LimjangPurpose p
 	public static Limjang initNote(Member member, LimjangPrice price, LimjangPurpose purpose,
 		LimjangPropertyType propertyType, LimjangPriceType priceType) {
 		String nickname = LocalDateTime.now()
-			.format(DateTimeFormatter.ofPattern("yyyy.MM.dd HH:mm")) + " 매물노트";
+			.format(DateTimeFormatter.ofPattern("yy.MM.dd HH:mm")) + " 매물노트";
 
 		return Limjang.builder()
 			.memberId(member)