build(deps-dev): bump ava from 5.3.1 to 6.1.1 in /Core

Bumps [ava](https://github.com/avajs/ava) from 5.3.1 to 6.1.1.
- [Release notes](https://github.com/avajs/ava/releases)
- [Commits](avajs/ava@v5.3.1...v6.1.1)

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

Signed-off-by: dependabot[bot] <[email protected]>