Merge pull request #7 from definitelyme/deps-update

Update dependencies version constraint

Author: robert-virkus

pubspec.yaml

@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_platform_widgets: ^1.20.0
+  flutter_platform_widgets: ^2.0.0
   cupertino_list_tile: ^0.2.1
   cupertino_stepper: ^0.2.1
   cupertino_progress_bar: ^0.2.0