Bump pylint from 2.8.2 to 2.9.0

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.8.2 to 2.9.0.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Changelog](https://github.com/PyCQA/pylint/blob/master/ChangeLog)
- [Commits](pylint-dev/pylint@v2.8.2...v2.9.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -24,7 +24,7 @@ pkginfo==1.7.0
 pluggy==0.13.1
 py==1.10.0
 Pygments==2.9.0
-pylint==2.8.2
+pylint==2.9.0
 pyparsing==2.4.7
 pytest==6.2.4
 pywin32-ctypes==0.2.0