build(deps): bump qs from 6.9.7 to 6.14.1 in /webapp (#7106)

Bumps [qs](https://github.com/ljharb/qs) from 6.9.7 to 6.14.1.
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](ljharb/qs@v6.9.7...v6.14.1)

---
updated-dependencies:
- dependency-name: qs
  dependency-version: 6.14.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]