poetry dev(deps-dev): bump ruff from 0.6.3 to 0.6.8 (#102)

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.6.3 to 0.6.8.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.6.3...0.6.8)

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

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

pyproject.toml

@@ -37,7 +37,7 @@ pytest-cov = ">=4,<6"
 coverage = {version = "^7.0", extras = ["toml"]}
 codecov = "^2.1"
 black = ">=23.1,<25.0"
-ruff = ">=0.5.0,<0.6.4"
+ruff = ">=0.5.0,<0.6.9"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]