Update criterion requirement from 0.6.0 to 0.7.0

Updates the requirements on [criterion](https://github.com/bheisler/criterion.rs) to permit the latest version.
- [Changelog](https://github.com/bheisler/criterion.rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/bheisler/criterion.rs/compare/0.6.0...0.7.0)

---
updated-dependencies:
- dependency-name: criterion
dependency-version: 0.7.0
dependency-type: direct:production
...

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