Bump qs, express, body-parser and browser-sync in /greenfield (#23)

Bumps [qs](https://github.com/ljharb/qs), [express](https://github.com/expressjs/express), [body-parser](https://github.com/expressjs/body-parser) and [browser-sync](https://github.com/BrowserSync/browser-sync). These dependencies needed to be updated together.

Updates `qs` from 6.5.2 to 6.11.0
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](ljharb/qs@v6.5.2...v6.11.0)

Updates `express` from 4.17.1 to 4.18.2
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.17.1...4.18.2)

Updates `body-parser` from 1.19.0 to 1.20.1
- [Release notes](https://github.com/expressjs/body-parser/releases)
- [Changelog](https://github.com/expressjs/body-parser/blob/master/HISTORY.md)
- [Commits](expressjs/body-parser@1.19.0...1.20.1)

Updates `browser-sync` from 2.26.12 to 2.29.3
- [Release notes](https://github.com/BrowserSync/browser-sync/releases)
- [Changelog](https://github.com/BrowserSync/browser-sync/blob/master/CHANGELOG.md)
- [Commits](BrowserSync/browser-sync@v2.26.12...v2.29.3)

---
updated-dependencies:
- dependency-name: qs
  dependency-type: indirect
- dependency-name: express
  dependency-type: indirect
- dependency-name: body-parser
  dependency-type: indirect
- dependency-name: browser-sync
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>