⬆️ Update ruff requirement from ~=0.2.0 to ~=0.4.0

Updates the requirements on [ruff](https://github.com/astral-sh/ruff) to permit the latest version.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@v0.2.0...v0.4.0)

---
updated-dependencies:
- dependency-name: ruff
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements-dev.txt

@@ -5,4 +5,4 @@ pytest==7.4.4
 pytest-cov==4.1.0
 setuptools==69.0.3
 mutmut~=2.4.4
-ruff~=0.2.0
+ruff~=0.4.0