build: (deps): bump desktop_drop from 0.4.4 to 0.6.1

Bumps [desktop_drop](https://github.com/MixinNetwork/flutter-plugins/tree/main/packages) from 0.4.4 to 0.6.1.
- [Release notes](https://github.com/MixinNetwork/flutter-plugins/releases)
- [Commits](https://github.com/MixinNetwork/flutter-plugins/commits/desktop_drop-v0.6.1/packages)

---
updated-dependencies:
- dependency-name: desktop_drop
  dependency-version: 0.6.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pubspec.yaml

@@ -18,7 +18,7 @@ dependencies:
   collection: ^1.18.0
   cross_file: ^0.3.4+2
   cupertino_icons: any
-  desktop_drop: ^0.4.4
+  desktop_drop: ^0.6.1
   desktop_notifications: ^0.6.3
   device_info_plus: ^11.5.0
   dynamic_color: ^1.7.0