Bump home_widget from 0.2.1 to 0.4.0 in /wallet

Bumps [home_widget](https://github.com/ABausG/home_widget) from 0.2.1 to 0.4.0.
- [Release notes](https://github.com/ABausG/home_widget/releases)
- [Changelog](https://github.com/ABausG/home_widget/blob/main/CHANGELOG.md)
- [Commits](ABausG/home_widget@v0.2.1...v0.4.0)

---
updated-dependencies:
- dependency-name: home_widget
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

wallet/pubspec.yaml

@@ -57,7 +57,7 @@ dependencies:
   google_sign_in: ^6.0.2
   googleapis: ^11.1.0
   grpc: ^3.0.2
-  home_widget: ^0.2.0+1
+  home_widget: ^0.4.0
   http: ^0.13.4
   icloud_storage: ^2.0.0
   image: ^4.0.12