Bump qs and express in /scripts/emulator-tests/functions

Bumps [qs](https://github.com/ljharb/qs) to 6.14.2 and updates ancestor dependency [express](https://github.com/expressjs/express). These dependencies need to be updated together.


Updates `qs` from 6.10.3 to 6.14.2
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](ljharb/qs@v6.10.3...v6.14.2)

Updates `express` from 4.18.1 to 4.22.1
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/v4.22.1/History.md)
- [Commits](expressjs/express@4.18.1...v4.22.1)

---
updated-dependencies:
- dependency-name: qs
  dependency-version: 6.14.2
  dependency-type: indirect
- dependency-name: express
  dependency-version: 4.22.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]