fix lints

packages/speech_to_text_dialog/example/lib/main.dart

@@ -1,10 +1,11 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:speech_to_text_dialog/speech_to_text_dialog.dart';
 
 void main() {
-  runApp(const MyApp());
+  runApp(const ProviderScope(child: MyApp()));
 }
 
 class MyApp extends StatefulWidget {