fix：升级 Flutter 3.44.9级相关插件

lib/features/ads/application/startup_ad_service.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:hooks_riverpod/legacy.dart';
 import 'package:url_launcher/url_launcher.dart';
 import '../../../common/router/app_router.dart';
 import '../data/ads_api_client.dart';