chore(deps): bump query-string in /build/frontend-legacy

Bumps [query-string](https://github.com/sindresorhus/query-string) from 9.3.1 to 9.4.1.
- [Release notes](https://github.com/sindresorhus/query-string/releases)
- [Commits](sindresorhus/query-string@v9.3.1...v9.4.1)

---
updated-dependencies:
- dependency-name: query-string
  dependency-version: 9.4.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]