Bump yaru_window from 0.1.3 to 0.2.0 (#20)

Bumps [yaru_window](https://github.com/ubuntu/yaru_window.dart) from 0.1.3 to 0.2.0.
- [Release notes](https://github.com/ubuntu/yaru_window.dart/releases)
- [Changelog](https://github.com/ubuntu/yaru_window.dart/blob/main/CHANGELOG.md)
- [Commits](ubuntu/yaru_window.dart@yaru_window-v0.1.3...yaru_window-v0.2.0)

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

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

pubspec.yaml

@@ -12,7 +12,7 @@ dependencies:
   flutter:
     sdk: flutter
   handy_window: ^0.3.1
-  yaru_window: ^0.1.3
+  yaru_window: ^0.2.0
 
 dev_dependencies:
   lint: ^2.0.0