[pre-commit.ci] pre-commit autoupdate (#5532)

updates:
- [github.com/pre-commit/mirrors-mypy: v0.942 → v0.950](https://github.com/pre-commit/mirrors-mypy/compare/v0.942...v0.950

)

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