[FIX] 主キーの型を修正しました。

src/main/java/com/example/demo/app/infra/entity/GoalEntity.java

@@ -24,7 +24,7 @@ public class GoalEntity {
 	@Id
 	@GeneratedValue(strategy = GenerationType.IDENTITY)
 	@Column(name = "goal_id")
-	private Integer goalId;
+	private Long goalId;
 
 	@Column(name = "goal_title", nullable = true)
 	private String goalTitle;