Switch from homepage to repository in pubspec (dart-archive/typed_data#51)

Author: devoncarew

pkgs/typed_data/pubspec.yaml

@@ -1,9 +1,8 @@
 name: typed_data
 version: 1.3.1-dev
-
 description: >-
   Utility functions and classes related to the dart:typed_data library.
-homepage: https://github.com/dart-lang/typed_data
+repository: https://github.com/dart-lang/typed_data
 
 environment:
   sdk: ">=2.12.0 <3.0.0"