Bump pylint from 2.6.0 to 2.7.0

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.6.0 to 2.7.0.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Changelog](https://github.com/PyCQA/pylint/blob/master/ChangeLog)
- [Commits](pylint-dev/pylint@pylint-2.6.0...pylint-2.7.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

requirements-lint.txt

@@ -5,6 +5,6 @@ flake8-docstrings==1.5.0
 flake8-import-order==0.18.1
 flake8-quotes==3.2.0
 isort==5.7.0
-pylint==2.6.0
+pylint==2.7.0
 pydocstyle==5.1.1
 flakehell==0.9.0