chore(deps-dev): bump ava from 3.7.0 to 3.8.1 (#17)

Bumps [ava](https://github.com/avajs/ava) from 3.7.0 to 3.8.1.
- [Release notes](https://github.com/avajs/ava/releases)
- [Commits](avajs/ava@v3.7.0...v3.8.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>