�fix: 로그아웃 API가 쿠키를 삭제하지 못하는 문제 수정 (#597)

fix: 수정된 쿠키를 응답에 담아보내도록 수정

src/main/java/com/gdschongik/gdsc/domain/auth/api/AuthController.java

@@ -6,6 +6,7 @@
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.servlet.http.Cookie;
+import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.CookieValue;
@@ -25,9 +26,10 @@ public class AuthController {
     @GetMapping("/logout")
     public ResponseEntity<Void> logout(
             @CookieValue(ACCESS_TOKEN_COOKIE_NAME) Cookie accessToken,
-            @CookieValue(REFRESH_TOKEN_COOKIE_NAME) Cookie refreshToken) {
-        cookieUtil.deleteCookie(accessToken);
-        cookieUtil.deleteCookie(refreshToken);
+            @CookieValue(REFRESH_TOKEN_COOKIE_NAME) Cookie refreshToken,
+            HttpServletResponse response) {
+        cookieUtil.deleteCookie(accessToken, response);
+        cookieUtil.deleteCookie(refreshToken, response);
         return ResponseEntity.ok().build();
     }
 }

src/main/java/com/gdschongik/gdsc/global/util/CookieUtil.java

@@ -32,9 +32,10 @@ private ResponseCookie generateTokenCookie(String cookieName, String tokenValue)
                 .build();
     }
 
-    public void deleteCookie(jakarta.servlet.http.Cookie cookie) {
+    public void deleteCookie(jakarta.servlet.http.Cookie cookie, HttpServletResponse response) {
         cookie.setPath("/");
         cookie.setValue("");
         cookie.setMaxAge(0);
+        response.addCookie(cookie);
     }
 }