build(deps-dev): bump the major-dependencies group with 1 update

Bumps the major-dependencies group with 1 update: [grunt-contrib-connect](https://github.com/gruntjs/grunt-contrib-connect).

- [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@v3.0.0...v4.0.0)

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

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

package.json

@@ -28,7 +28,7 @@
     "grunt-bump": "0.8.0",
     "grunt-cache-breaker": "2.0.1",
     "grunt-contrib-clean": "^2.0.1",
-    "grunt-contrib-connect": "3.0.0",
+    "grunt-contrib-connect": "4.0.0",
     "grunt-contrib-copy": "1.0.0",
     "grunt-contrib-imagemin": "4.0.0",
     "grunt-contrib-stylus": "1.2.0",