chore(deps): bump flutter_bloc and bloc in /example (#86)

Bumps [flutter_bloc](https://github.com/felangel/bloc/tree/master/packages) and [bloc](https://github.com/felangel/bloc/tree/master/packages). These dependencies needed to be updated together.

Updates `flutter_bloc` from 8.1.6 to 9.1.0
- [Release notes](https://github.com/felangel/bloc/releases)
- [Commits](https://github.com/felangel/bloc/commits/flutter_bloc-v9.1.0/packages)

Updates `bloc` from 8.1.4 to 9.0.0
- [Release notes](https://github.com/felangel/bloc/releases)
- [Commits](https://github.com/felangel/bloc/commits/bloc-v9.0.0/packages)

---
updated-dependencies:
- dependency-name: flutter_bloc
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: bloc
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

example/pubspec.yaml

@@ -8,11 +8,11 @@ environment:
   sdk: ^3.5.0
 
 dependencies:
-  bloc: ^8.1.4
+  bloc: ^9.0.0
   equatable: ^2.0.5
   flutter:
     sdk: flutter
-  flutter_bloc: ^8.1.6
+  flutter_bloc: ^9.1.0
   very_good_infinite_list:
     path: ../