fix lints

packages/flutter_singbox_proxy/example/pubspec.yaml

@@ -15,6 +15,7 @@ environment:
 # the latest version available on pub.dev. To see which dependencies have newer
 # versions available, run `flutter pub outdated`.
 dependencies:
+  cupertino_icons: ^1.0.8
   flutter:
     sdk: flutter
 
@@ -25,24 +26,20 @@ dependencies:
     # The example app is bundled with the plugin so we use a path dependency on
     # the parent directory to use the current plugin's version.
     path: ../
-
-  # The following adds the Cupertino Icons font to your application.
-  # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^1.0.8
+  hooks_riverpod: ^3.3.1
 
 dev_dependencies:
-  integration_test:
-    sdk: flutter
+  flutter_lints: ^6.0.0
   flutter_test:
     sdk: flutter
+  integration_test:
+    sdk: flutter
 
   # The "flutter_lints" package below contains a set of recommended lints to
   # encourage good coding practices. The lint set provided by the package is
   # activated in the `analysis_options.yaml` file located at the root of your
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
-  flutter_lints: ^6.0.0
-
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec