Bump ava from 5.3.1 to 6.0.0

Bumps [ava](https://github.com/avajs/ava) from 5.3.1 to 6.0.0.
- [Release notes](https://github.com/avajs/ava/releases)
- [Commits](avajs/ava@v5.3.1...v6.0.0)

---
updated-dependencies:
- dependency-name: ava
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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