Bump laravel-mix from 4.1.4 to 5.0.4

Bumps [laravel-mix](https://github.com/JeffreyWay/laravel-mix) from 4.1.4 to 5.0.4.
- [Release notes](https://github.com/JeffreyWay/laravel-mix/releases)
- [Commits](laravel-mix/laravel-mix@v4.1.4...v5.0.4)

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

package.json

@@ -31,7 +31,7 @@
     "husky": "^1.3.1",
     "jquery": "^3.5.0",
     "js-cookie": "^2.2.0",
-    "laravel-mix": "^4.0.0",
+    "laravel-mix": "^5.0.4",
     "laravel-mix-bundle-analyzer": "^1.0.2",
     "lint-staged": "^8.1.5",
     "open-iconic": "^1.1.1",