chore(deps-dev): bump grunt-cli from 1.4.2 to 1.4.3 in /webapps

Bumps [grunt-cli](https://github.com/gruntjs/grunt-cli) from 1.4.2 to 1.4.3.
- [Release notes](https://github.com/gruntjs/grunt-cli/releases)
- [Changelog](https://github.com/gruntjs/grunt-cli/blob/main/CHANGELOG.md)
- [Commits](gruntjs/grunt-cli@v1.4.2...v1.4.3)

---
updated-dependencies:
- dependency-name: grunt-cli
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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