[pre-commit.ci] pre-commit autoupdate
[pre-commit.ci] pre-commit autoupdate

updates:
- https://github.com/timothycrosley/isort → https://github.com/PyCQA/isort
- https://gitlab.com/pycqa/flake8 → https://github.com/PyCQA/flake8

pytest-dev/pytest-cov