🚑 쿠키 도메인 변경

Author: cheshireHYUN

src/main/java/com/boggle_boggle/bbegok/utils/CookieUtil.java

@@ -51,7 +51,7 @@ public static void deleteCookie(HttpServletRequest request, HttpServletResponse
                 if (name.equals(cookie.getName())) {
                     ResponseCookie deleteCookie = ResponseCookie.from(name, "")
                             .path("/")
-                            .domain(domain)
+                            .domain("."+domain)
                             .sameSite("Lax")
                             .httpOnly(true)
                             .secure(true)