Bump pylint from 2.13.5 to 2.13.9 (#19)

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.13.5 to 2.13.9.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Changelog](https://github.com/PyCQA/pylint/blob/main/ChangeLog)
- [Commits](https://github.com/PyCQA/pylint/compare/v2.13.5...v2.13.9)

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

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

requirements-test.txt

@@ -1,6 +1,6 @@
 mypy==0.942
 pre-commit==2.18.1
-pylint==2.13.5
+pylint==2.13.9
 pytest==7.1.1
 pytest-aiohttp==1.0.4
 pytest-asyncio==0.18.3