[BOOK-165] fix: 내서재 조회 API sort값 변경사항 적용

Author: seoyoon513

core/network/src/main/kotlin/com/ninecraft/booket/core/network/service/ReedService.kt

@@ -59,6 +59,6 @@ interface ReedService {
         @Query("status") status: String? = null,
         @Query("page") page: Int,
         @Query("size") size: Int,
-        @Query("sort") sort: String = "date_desc",
+        @Query("sort") sort: String = "CREATED_DATE_DESC",
     ): LibraryResponse
 }