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

updates:
- [github.com/PyCQA/isort: 5.8.0 → 5.9.1](https://github.com/PyCQA/isort/compare/5.8.0...5.9.1)

cphyc/matplotlib-label-lines