🐛 fix: 중복 url 매핑 문제 해결

Author: kfdsy0103

src/main/java/org/withtime/be/withtimebe/domain/date/controller/query/DateQueryController.java

@@ -31,7 +31,7 @@ public class DateQueryController {
             @ApiResponse(responseCode = "404", description = "DATE_COURSE404_1 : 해당하는 데이트 코스를 찾을 수 없습니다.")
     })
     @SwaggerPageable
-    @PostMapping("/")
+    @GetMapping("/")
     public DefaultResponse<DateResponseDTO.DateCourseList> findDateCourses(
             @PageableDefault(page = 0, size = 10) Pageable pageable,
             @RequestBody DateRequestDTO.DateCourseSearchCond dateCourseSearchCond
@@ -48,7 +48,7 @@ public DefaultResponse<DateResponseDTO.DateCourseList> findDateCourses(
                     description = "해당 코스를 찾을 수 없습니다")
     })
     @SwaggerPageable
-    @PostMapping("/bookmarks")
+    @GetMapping("/bookmarks")
     public DefaultResponse<DateResponseDTO.DateCourseList> findDateCourseBookmark(
             @PageableDefault(page = 0, size = 10) Pageable pageable,
             @RequestBody DateRequestDTO.DateCourseSearchCond dateCourseSearchCond,