[pre-commit.ci] pre-commit autoupdate (#3231)

updates:
- [github.com/asottile/pyupgrade: v2.24.0 → v2.25.0](https://github.com/asottile/pyupgrade/compare/v2.24.0...v2.25.0)
- [github.com/psf/black: 21.7b0 → 21.8b0](https://github.com/psf/black/compare/21.7b0...21.8b0)

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