Update pylint requirement from <2.18.0,>=2.14.5 to >=2.14.5,<3.1.0 (#35)

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@v2.14.5...v3.0.1)

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

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

setup.cfg

@@ -26,7 +26,7 @@ install_requires =
 
 [options.extras_require]
 test =
-    pylint>=2.14.5,<2.18.0
+    pylint>=2.14.5,<3.1.0
     coverage
     coveralls
     pre-commit