Update flutter_web_auth_2

Author: ThexXTURBOXx

templates/flutter/lib/src/client_io.dart.twig

@@ -314,7 +314,9 @@ class ClientIO extends ClientBase with ClientMixin {
       callbackUrlScheme: callbackUrlScheme != null && _customSchemeAllowed
           ? callbackUrlScheme
           : "{{spec.title | caseLower}}-callback-" + config['project']!,
-      preferEphemeral: true,
+      options: const FlutterWebAuth2Options(
+        intentFlags: ephemeralIntentFlags,
+      ),
     ).then((value) async {
       Uri url = Uri.parse(value);
       final key = url.queryParameters['key'];

templates/flutter/pubspec.yaml.twig

@@ -20,7 +20,7 @@ dependencies:
     sdk: flutter
   cookie_jar: ^4.0.3
   device_info_plus: ^9.0.2
-  flutter_web_auth_2: ^2.1.4
+  flutter_web_auth_2: ^3.0.0
   http: '>=0.13.6 <1.0.1'
   package_info_plus: ^4.0.2
   path_provider: ^2.0.15