[pre-commit.ci] pre-commit autoupdate (#7)

updates:
- [github.com/psf/black: 20.8b1 → 21.4b0](psf/black@20.8b1...21.4b0)
- [github.com/pycqa/pylint: pylint-2.7.4 → v2.8.2](pylint-dev/pylint@pylint-2.7.4...v2.8.2)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -4,7 +4,7 @@ repos:
     hooks:
       - id: isort
   - repo: https://github.com/psf/black
-    rev: 20.8b1
+    rev: 21.4b0
     hooks:
       - id: black
         language_version: python3
@@ -41,7 +41,7 @@ repos:
           - rich
           - tox
   - repo: https://github.com/pycqa/pylint
-    rev: pylint-2.7.4
+    rev: v2.8.2
     hooks:
       - id: pylint
         additional_dependencies: