Update ruff requirement from ^0.5.0 to ^0.6.3

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@0.5.0...0.6.3)

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

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

pyproject.toml

@@ -13,7 +13,7 @@ uvicorn = "0.30.4"
 [tool.poetry.dev-dependencies]
 pytest = "8.3.2"
 pytest-cov = "^5.0.0"
-ruff = "^0.5.0"
+ruff = "^0.6.3"
 httpx = "0.27.2"
 
 [tool.pytest.ini_options]