Bump pylint from 2.8.3 to 2.9.3 (#61)

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.8.3 to 2.9.3.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Changelog](https://github.com/PyCQA/pylint/blob/main/ChangeLog)
- [Commits](pylint-dev/pylint@v2.8.3...v2.9.3)

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

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

Author: dependabot[bot]

requirements_test.txt

@@ -1,7 +1,7 @@
 -r requirements_test_pre_commit.txt
 mypy==0.910
 pre-commit==2.13.0
-pylint==2.8.3
+pylint==2.9.3
 pytest==6.2.4
 pytest-asyncio==0.15.1
 types-aiofiles==0.1.5