Bump mockito from 5.4.4 to 5.4.5 in /dashboard

Bumps [mockito](https://github.com/dart-lang/mockito) from 5.4.4 to 5.4.5.
- [Release notes](https://github.com/dart-lang/mockito/releases)
- [Changelog](https://github.com/dart-lang/mockito/blob/master/CHANGELOG.md)
- [Commits](https://github.com/dart-lang/mockito/commits/v5.4.5)

---
updated-dependencies:
- dependency-name: mockito
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

dashboard/pubspec.yaml

@@ -33,7 +33,7 @@ dev_dependencies:
     sdk: flutter
   build_runner: 2.4.13 # Rolled by dependabot
   flutter_lints: 5.0.0 # Rolled by dependabot
-  mockito: 5.4.4 # Remember to run ./regen_mocks.sh!
+  mockito: 5.4.5 # Remember to run ./regen_mocks.sh!
   path: any # Match Flutter SDK
 
 flutter: