chore(deps): bump qs and @types/qs (#710)

Bumps [qs](https://github.com/ljharb/qs) and [@types/qs](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/qs). These dependencies needed to be updated together.

Updates `qs` from 6.11.2 to 6.12.1
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](ljharb/qs@v6.11.2...v6.12.1)

Updates `@types/qs` from 6.9.11 to 6.9.15
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/qs)

---
updated-dependencies:
- dependency-name: qs
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: "@types/qs"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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