upgrade flutter dependencies

Author: lohanidamodar

templates/flutter/pubspec.yaml.twig

@@ -18,14 +18,14 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  cookie_jar: ^3.0.1
-  device_info_plus: ^8.1.0
-  flutter_web_auth_2: ^2.0.4
+  cookie_jar: ^4.0.1
+  device_info_plus: ^8.2.0
+  flutter_web_auth_2: ^2.1.4
   http: ^0.13.5
-  package_info_plus: ^3.0.3
-  path_provider: ^2.0.13
-  web_socket_channel: ^2.3.0
-  universal_html: ^2.0.9
+  package_info_plus: ^3.1.0
+  path_provider: ^2.0.14
+  web_socket_channel: ^2.4.0
+  universal_html: ^2.2.1
 
 dev_dependencies:
   path_provider_platform_interface: ^2.0.5