Bump pylint from 2.6.0 to 2.6.2 (#462)

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.6.0 to 2.6.2.
- [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-2.6.2)

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

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

requirements-test.txt

@@ -1,3 +1,3 @@
 flake8==3.8.4
-pylint==2.6.0
+pylint==2.6.2
 black==20.8b1