Update pylint requirement from ==2.8.* to >=2.8,<3.3

Updates the requirements on [pylint](https://github.com/pylint-dev/pylint) to permit the latest version.
- [Release notes](https://github.com/pylint-dev/pylint/releases)
- [Commits](pylint-dev/pylint@pylint-2.8.0...v3.2.7)

---
updated-dependencies:
- dependency-name: pylint
  dependency-type: direct:development
...

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

setup.py

@@ -23,7 +23,7 @@
       ],
       extras_require={
           'test': [
-              'pylint==2.8.*',
+              'pylint>=2.8,<3.3',
               'pytest==6.2.*',
               'pytest-cov==2.12.*',
           ]