build(deps): bump melos from 6.3.3 to 8.1.0

Bumps [melos](https://github.com/invertase/melos/tree/main/packages) from 6.3.3 to 8.1.0.
- [Changelog](https://github.com/invertase/melos/blob/main/CHANGELOG.md)
- [Commits](https://github.com/invertase/melos/commits/melos-v8.1.0/packages)

---
updated-dependencies:
- dependency-name: melos
  dependency-version: 8.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pubspec.yaml

@@ -5,4 +5,4 @@ environment:
   sdk: ">=3.0.0 <4.0.0"
 
 dev_dependencies:
-  melos: ^6.3.2
+  melos: ^8.1.0