chore(deps-dev): bump tap from 16.3.7 to 18.5.6

Bumps [tap](https://github.com/tapjs/tapjs) from 16.3.7 to 18.5.6.
- [Release notes](https://github.com/tapjs/tapjs/releases)
- [Commits](https://github.com/tapjs/tapjs/compare/[email protected])

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

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