⬆ Bump ruff from 0.8.2 to 0.8.4 (#139)

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.8.2 to 0.8.4.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.8.2...0.8.4)

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

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

Author: dependabot[bot]

requirements-tests.txt

@@ -3,7 +3,7 @@
 pytest >=4.4.0,<9.0.0
 coverage[toml] >=6.2,<8.0
 mypy ==1.14.0
-ruff ==0.8.2
+ruff ==0.8.4
 # Needed explicitly by fastapi-cli-slim
 fastapi-slim
 uvicorn