[pre-commit.ci] pre-commit autoupdate (#19)

updates:
- [github.com/pycqa/flake8: 4.0.1 → 5.0.4](PyCQA/flake8@4.0.1...5.0.4)

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

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -29,6 +29,6 @@ repos:
     hooks:
     -   id: black
 -   repo: https://github.com/pycqa/flake8
-    rev: 4.0.1
+    rev: 5.0.4
     hooks:
     -   id: flake8