Bump pylint from 2.11.1 to 2.12.1 (#483)

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

Author: dependabot[bot]

poetry.lock

@@ -44,7 +44,7 @@ isort = "^5.10.1"
 mypy = "^0.910"
 pre-commit = "^2.15.0"
 pre-commit-hooks = "^4.0.1"
-pylint = "^2.11.1"
+pylint = "^2.12.1"
 pytest = "^6.2.5"
 pytest-asyncio = "^0.16.0"
 pytest-cov = "^3.0.0"