build(deps-dev): bump grunt-contrib-qunit from 6.2.1 to 7.0.1

Bumps [grunt-contrib-qunit](https://github.com/gruntjs/grunt-contrib-qunit) from 6.2.1 to 7.0.1.
- [Release notes](https://github.com/gruntjs/grunt-contrib-qunit/releases)
- [Changelog](https://github.com/gruntjs/grunt-contrib-qunit/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt-contrib-qunit@v6.2.1...v7.0.1)

---
updated-dependencies:
- dependency-name: grunt-contrib-qunit
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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