[pre-commit.ci] pre-commit autoupdate (#275)
[pre-commit.ci] pre-commit autoupdate (#275)

updates:
- [github.com/psf/black: 21.6b0 → 21.7b0](https://github.com/psf/black/compare/21.6b0...21.7b0)

Co-authored-by: pre-commit-ci[bot] <3ea08453efb076ca910552532a53973a6527df40@users.noreply.github.com>
adamchainz/ec2-metadata