Bump qs, grunt-contrib-connect, grunt-contrib-watch and grunt-gh-pages

Bumps [qs](https://github.com/ljharb/qs) to 6.11.0 and updates ancestor dependencies [qs](https://github.com/ljharb/qs), [grunt-contrib-connect](https://github.com/gruntjs/grunt-contrib-connect), [grunt-contrib-watch](https://github.com/gruntjs/grunt-contrib-watch) and [grunt-gh-pages](https://github.com/tschaub/grunt-gh-pages). These dependencies need to be updated together.


Updates `qs` from 0.1.0 to 6.11.0
- [Release notes](https://github.com/ljharb/qs/releases)
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ljharb/qs/commits/v6.11.0)

Updates `grunt-contrib-connect` from 0.6.0 to 3.0.0
- [Release notes](https://github.com/gruntjs/grunt-contrib-connect/releases)
- [Changelog](https://github.com/gruntjs/grunt-contrib-connect/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt-contrib-connect@v0.6.0...v3.0.0)

Updates `grunt-contrib-watch` from 0.5.3 to 1.1.0
- [Release notes](https://github.com/gruntjs/grunt-contrib-watch/releases)
- [Changelog](https://github.com/gruntjs/grunt-contrib-watch/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt-contrib-watch@v0.5.3...v1.1.0)

Updates `grunt-gh-pages` from 1.2.0 to 4.0.0
- [Release notes](https://github.com/tschaub/grunt-gh-pages/releases)
- [Changelog](https://github.com/tschaub/grunt-gh-pages/blob/master/changelog.md)
- [Commits](tschaub/grunt-gh-pages@v1.2.0...v4.0.0)

---
updated-dependencies:
- dependency-name: qs
  dependency-type: indirect
- dependency-name: grunt-contrib-connect
  dependency-type: direct:development
- dependency-name: grunt-contrib-watch
  dependency-type: direct:development
- dependency-name: grunt-gh-pages
  dependency-type: direct:development
...

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