build(deps): bump qs and tap

Removes [qs](https://github.com/ljharb/qs). It's no longer used after updating ancestor dependency [tap](https://github.com/tapjs/tapjs). These dependencies need to be updated together.


Removes `qs`

Updates `tap` from 15.2.3 to 21.6.2
- [Release notes](https://github.com/tapjs/tapjs/releases)
- [Commits](https://github.com/tapjs/tapjs/compare/v15.2.3...tap@21.6.2)

---
updated-dependencies:
- dependency-name: qs
  dependency-version: 
  dependency-type: indirect
- dependency-name: tap
  dependency-version: 21.6.2
  dependency-type: direct:development
...

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Author: dependabot[bot]