chore(deps): Bump permission_handler

Bumps [permission_handler](https://github.com/baseflow/flutter-permission-handler) from 11.4.0 to 12.0.0.
- [Commits](Baseflow/flutter-permission-handler@permission_handler_v11.4.0...permission_handler_v12.0.0)

---
updated-dependencies:
- dependency-name: permission_handler
  dependency-version: 12.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

flutter_news_example/packages/permission_client/pubspec.yaml

@@ -9,7 +9,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  permission_handler: ^11.0.0
+  permission_handler: ^12.0.0
 
 dev_dependencies:
   flutter_test: