Bump json5, laravel-mix, resolve-url-loader and sass-loader

Bumps [json5](https://github.com/json5/json5) to 2.2.3 and updates ancestor dependencies [json5](https://github.com/json5/json5), [laravel-mix](https://github.com/JeffreyWay/laravel-mix), [resolve-url-loader](https://github.com/bholloway/resolve-url-loader/tree/HEAD/packages/resolve-url-loader) and [sass-loader](https://github.com/webpack-contrib/sass-loader). These dependencies need to be updated together.


Updates `json5` from 1.0.1 to 2.2.3
- [Release notes](https://github.com/json5/json5/releases)
- [Changelog](https://github.com/json5/json5/blob/main/CHANGELOG.md)
- [Commits](https://github.com/json5/json5/compare/v1.0.1...v2.2.3)

Updates `laravel-mix` from 4.1.4 to 6.0.49
- [Release notes](https://github.com/JeffreyWay/laravel-mix/releases)
- [Changelog](https://github.com/laravel-mix/laravel-mix/blob/master/CHANGELOG.md)
- [Upgrade guide](https://github.com/laravel-mix/laravel-mix/blob/master/UPGRADE.md)
- [Commits](https://github.com/JeffreyWay/laravel-mix/commits)

Updates `resolve-url-loader` from 2.3.2 to 5.0.0
- [Release notes](https://github.com/bholloway/resolve-url-loader/releases)
- [Changelog](https://github.com/bholloway/resolve-url-loader/blob/v5/packages/resolve-url-loader/CHANGELOG.md)
- [Commits](https://github.com/bholloway/resolve-url-loader/commits/5.0.0/packages/resolve-url-loader)

Updates `sass-loader` from 7.3.1 to 13.2.0
- [Release notes](https://github.com/webpack-contrib/sass-loader/releases)
- [Changelog](https://github.com/webpack-contrib/sass-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/sass-loader/compare/v7.3.1...v13.2.0)

---
updated-dependencies:
- dependency-name: json5
  dependency-type: indirect
- dependency-name: laravel-mix
  dependency-type: direct:development
- dependency-name: resolve-url-loader
  dependency-type: direct:development
- dependency-name: sass-loader
  dependency-type: direct:development
...

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

package.json

@@ -14,12 +14,12 @@
         "bootstrap": "^4.1.0",
         "cross-env": "^5.1",
         "jquery": "^3.5",
-        "laravel-mix": "^4.0.7",
+        "laravel-mix": "^6.0.49",
         "lodash": "^4.17.21",
         "popper.js": "^1.12",
-        "resolve-url-loader": "^2.3.1",
+        "resolve-url-loader": "^5.0.0",
         "sass": "^1.15.2",
-        "sass-loader": "^7.1.0",
+        "sass-loader": "^13.2.0",
         "vue": "^2.5.17",
         "vue-template-compiler": "^2.6.10"
     },