⬆️ Bump pylint from 2.4.3 to 2.4.4 (#29)

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.4.3 to 2.4.4.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Changelog](https://github.com/PyCQA/pylint/blob/master/ChangeLog)
- [Commits](pylint-dev/pylint@pylint-2.4.3...pylint-2.4.4)

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

Co-authored-by: null <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

requirements_test.txt

@@ -4,7 +4,7 @@ flake8==3.7.9
 flake8-docstrings==1.5.0
 isort==4.3.21
 mypy==0.740
-pylint==2.4.3
+pylint==2.4.4
 pytest==5.2.4
 pytest-asyncio==0.10.0
 pytest-cov==2.8.1