build(deps-dev): bump grunt-shell from 3.0.1 to 4.0.0

Bumps [grunt-shell](https://github.com/sindresorhus/grunt-shell) from 3.0.1 to 4.0.0.
- [Release notes](https://github.com/sindresorhus/grunt-shell/releases)
- [Commits](sindresorhus/grunt-shell@v3.0.1...v4.0.0)

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

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

package.json

@@ -61,7 +61,7 @@
     "grunt-contrib-watch": "^1.1.0",
     "grunt-replace": "^2.0.0",
     "grunt-sass": "^3.1.0",
-    "grunt-shell": "^3.0.1",
+    "grunt-shell": "^4.0.0",
     "husky": "^7.0.0",
     "icon-blender": "^1.0.0-beta.4",
     "jquery": "^3.6.0",