build(deps): 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:production
  update-type: version-update:semver-patch
...

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

pyproject.toml

@@ -40,7 +40,7 @@ test = [
     "pytest-pretty>=1.0.0,<2.0.0",
 ]
 quality = [
-    "ruff==0.6.4",
+    "ruff==0.6.9",
     "mypy==1.10.0",
     "pre-commit>=3.0.0,<4.0.0",
 ]
@@ -59,7 +59,7 @@ dev = [
     "pytest-cov>=3.0.0,<5.0.0",
     "pytest-pretty>=1.0.0,<2.0.0",
     # style
-    "ruff==0.6.4",
+    "ruff==0.6.9",
     "mypy==1.10.0",
     "pre-commit>=3.0.0,<4.0.0",
     # docs