build(deps): update ruff requirement (#338)

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@0.5.1...0.6.8)

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

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

pyproject.toml

@@ -40,7 +40,7 @@ aiohttp = "^3.8.1"
 mkdocs = { version = "^1.3.0", extras = ["docs"] }
 mkdocstrings = { version = ">=0.18.1,<0.27.0", extras = ["docs"] }
 mkdocs-material = { version = ">=8.2.9,<10.0.0", extras = ["docs"] }
-ruff = ">=0.5.1,<0.6.7"
+ruff = ">=0.5.1,<0.6.9"
 
 [tool.poetry.dev-dependencies]
 mypy = "^1.0"