CLAP-272 fix:Controller Transactional 어노테이션 추가

Author: Sihun23

src/main/java/clap/server/adapter/inbound/web/admin/DeleteMemberController.java

@@ -8,6 +8,7 @@
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springframework.security.access.annotation.Secured;
+import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.PatchMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -19,6 +20,7 @@
 public class DeleteMemberController {
     private final DeleteMemberUsecase deleteMemberUsecase;
 
+    @Transactional
     @Operation(summary = "회원 삭제 API")
     @Secured("ROLE_ADMIN")
     @PatchMapping("/members/delete")