Bump eslint-plugin-qunit from 6.2.0 to 7.3.4 in /smoke-test-app

Bumps [eslint-plugin-qunit](https://github.com/platinumazure/eslint-plugin-qunit) from 6.2.0 to 7.3.4.
- [Release notes](https://github.com/platinumazure/eslint-plugin-qunit/releases)
- [Changelog](https://github.com/platinumazure/eslint-plugin-qunit/blob/master/CHANGELOG.md)
- [Commits](platinumazure/eslint-plugin-qunit@v6.2.0...v7.3.4)

---
updated-dependencies:
- dependency-name: eslint-plugin-qunit
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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