build(deps): bump file_picker from 5.5.0 to 6.1.1

Bumps [file_picker](https://github.com/miguelpruivo/flutter_file_picker) from 5.5.0 to 6.1.1.
- [Release notes](https://github.com/miguelpruivo/flutter_file_picker/releases)
- [Changelog](https://github.com/miguelpruivo/flutter_file_picker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/miguelpruivo/flutter_file_picker/commits)

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

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

Author: dependabot[bot]

pubspec.yaml

@@ -13,7 +13,7 @@ environment:
 
 dependencies:
   community_material_icon: ^5.9.55
-  file_picker: ^5.5.0
+  file_picker: ">=5.5.0 <7.0.0"
   flutter:
     sdk: flutter
   flutter_form_builder: ^9.1.1