[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/setup-cfg-fmt: v1.19.0 → v1.20.0](https://github.com/asottile/setup-cfg-fmt/compare/v1.19.0...v1.20.0)
- [github.com/asottile/add-trailing-comma: v2.2.0 → v2.2.1](https://github.com/asottile/add-trailing-comma/compare/v2.2.0...v2.2.1)