Bump flutter_quill from 6.1.5 to 6.1.6 (#33)

Bumps [flutter_quill](https://github.com/singerdmx/flutter-quill) from 6.1.5 to 6.1.6.
- [Release notes](https://github.com/singerdmx/flutter-quill/releases)
- [Changelog](https://github.com/singerdmx/flutter-quill/blob/master/CHANGELOG.md)
- [Commits](https://github.com/singerdmx/flutter-quill/commits)

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

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

pubspec.yaml

@@ -36,7 +36,7 @@ dependencies:
   just_audio: ^0.9.30
   percent_indicator: ^4.2.2
   bottom_navy_bar: ^6.0.0
-  flutter_quill: ^6.1.5
+  flutter_quill: ^6.1.6
   fluttertoast: ^8.1.1
 
 dev_dependencies: