chore(deps): bump qs and node-vault in /reference-apps/nodejs

Bumps [qs](https://github.com/ljharb/qs) to 6.15.0 and updates ancestor dependency [node-vault](https://github.com/nodevault/node-vault). These dependencies need to be updated together.


Updates `qs` from 6.14.1 to 6.15.0
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](ljharb/qs@v6.14.1...v6.15.0)

Updates `node-vault` from 0.10.9 to 0.10.10
- [Release notes](https://github.com/nodevault/node-vault/releases)
- [Commits](nodevault/node-vault@v0.10.9...v0.10.10)

---
updated-dependencies:
- dependency-name: qs
  dependency-version: 6.15.0
  dependency-type: indirect
- dependency-name: node-vault
  dependency-version: 0.10.10
  dependency-type: direct:production
...

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Author: dependabot[bot]