Bump ruff from 0.6.4 to 0.6.9

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.6.4 to 0.6.9.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.6.4...0.6.9)

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

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

Author: dependabot[bot]

poetry.lock

@@ -47,7 +47,7 @@ pytest-cov = "5.0.0"
 pytest-xdist = "3.6.1"
 
 [tool.poetry.group.lint.dependencies]
-ruff = "0.6.4"
+ruff = "0.6.9"
 pre-commit = "3.8.0"
 
 [tool.poetry.group.doc.dependencies]