Bump melos from 5.3.0 to 6.0.0

Bumps [melos](https://github.com/invertase/melos/tree/main/packages) from 5.3.0 to 6.0.0.
- [Release notes](https://github.com/invertase/melos/releases)
- [Changelog](https://github.com/invertase/melos/blob/main/CHANGELOG.md)
- [Commits](https://github.com/invertase/melos/commits/melos-v6.0.0/packages)

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

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

Author: dependabot[bot]

pubspec.yaml

@@ -4,5 +4,5 @@ environment:
   sdk: '>=3.2.3 <4.0.0'
 
 dev_dependencies:
-  melos: ^5.0.0
+  melos: ^6.0.0