chore(deps): Bump firebase_dynamic_links and firebase_core

Bumps [firebase_dynamic_links](https://github.com/firebase/flutterfire/tree/master/packages) and [firebase_core](https://github.com/firebase/flutterfire/tree/master/packages/firebase_core). These dependencies needed to be updated together.

Updates `firebase_dynamic_links` from 5.5.7 to 6.0.0
- [Release notes](https://github.com/firebase/flutterfire/releases)
- [Changelog](https://github.com/firebase/flutterfire/blob/master/CHANGELOG.md)
- [Commits](https://github.com/firebase/flutterfire/commits/firebase_dynamic_links-v6.0.0/packages)

Updates `firebase_core` from 2.32.0 to 3.0.0
- [Release notes](https://github.com/firebase/flutterfire/releases)
- [Changelog](https://github.com/firebase/flutterfire/blob/master/CHANGELOG.md)
- [Commits](https://github.com/firebase/flutterfire/commits/firebase_core-v3.0.0/packages/firebase_core)

---
updated-dependencies:
- dependency-name: firebase_dynamic_links
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: firebase_core
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

flutter_news_example/packages/deep_link_client/pubspec.yaml

@@ -7,8 +7,8 @@ environment:
 
 dependencies:
   equatable: ^2.0.3
-  firebase_core: ^2.24.2
-  firebase_dynamic_links: ^5.0.3
+  firebase_core: ^3.0.0
+  firebase_dynamic_links: ^6.0.0
   plugin_platform_interface: ^2.1.3
   rxdart: ^0.27.3