Bump pylint from 2.15.6 to 2.15.7

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.15.6 to 2.15.7.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Commits](https://github.com/PyCQA/pylint/compare/v2.15.6...v2.15.7)

---
updated-dependencies:
- dependency-name: pylint
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

requirements-dev.txt

@@ -2,7 +2,7 @@ mock==4.0.3
 nose2[coverage_plugin]==0.12.0
 cov-core==1.15.0
 black==22.10.0
-pylint==2.15.6
+pylint==2.15.7
 splinter==0.18.1
 selenium==4.6.0
 twine==4.0.1