Bump qs from 6.14.1 to 6.14.2 in /test/mcp (#295038)

Bumps [qs](https://github.com/ljharb/qs) from 6.14.1 to 6.14.2.
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ljharb/qs/compare/v6.14.1...v6.14.2)

---
updated-dependencies:
- dependency-name: qs
  dependency-version: 6.14.2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>