chore(deps): bump ruff from 0.8.2 to 0.8.6

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.8.2 to 0.8.6.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.8.2...0.8.6)

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

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

requirements.txt

@@ -54,7 +54,7 @@ pyyaml==6.0.2
     # via yamllint
 requests==2.32.3
     # via peering-buddy (pyproject.toml)
-ruff==0.8.2
+ruff==0.8.6
     # via peering-buddy (pyproject.toml)
 tomlkit==0.13.2
     # via pylint