[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/reorder_python_imports: v2.4.0 → v2.5.0](https://github.com/asottile/reorder_python_imports/compare/v2.4.0...v2.5.0)
- [github.com/psf/black: 20.8b1 → 21.4b0](https://github.com/psf/black/compare/20.8b1...21.4b0)
- [github.com/asottile/pyupgrade: v2.12.0 → v2.13.0](https://github.com/asottile/pyupgrade/compare/v2.12.0...v2.13.0)