Fix: 단축 URL Update 시, 저장되지 않고 예외 발생하는 문제 수정

src/main/java/be/gyu/urlShortener/entity/UrlMap.java

@@ -9,12 +9,16 @@ import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
+import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 
 @Entity
 @Getter
 @Builder(toBuilder=true)
+@NoArgsConstructor
+@AllArgsConstructor
 public class UrlMap {
     @Id
     @GeneratedValue(strategy=GenerationType.IDENTITY)