Bump pylint from 2.15.5 to 2.15.6 (#85)

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.15.5 to 2.15.6.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Commits](pylint-dev/pylint@v2.15.5...v2.15.6)

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

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

requirements-test.txt

@@ -4,7 +4,7 @@ flake8==5.0.4
 isort==5.10.1
 mypy==0.991
 pre-commit==2.20.0
-pylint==2.15.5
+pylint==2.15.6
 pylint_strict_informational==0.1
 pytest-asyncio==0.20.2
 pytest-cov==4.0.0