chore(deps-dev): update ruff requirement from ^0.8.0 to ^0.9.1

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@0.8.0...0.9.1)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -24,7 +24,7 @@ pytz = "^2024.1"
 [tool.poetry.dev-dependencies]
 pytest = "8.3.4"
 pytest-cov = "^6.0.0"
-ruff = "^0.8.0"
+ruff = "^0.9.1"
 pre-commit = "^4.0.0"
 
 [tool.pytest.ini_options]