Update laravel-mix requirement from 0.* to 4.*
Update laravel-mix requirement from 0.* to 4.*

Updates the requirements on [laravel-mix](https://github.com/JeffreyWay/laravel-mix) to permit the latest version.
- [Release notes](https://github.com/JeffreyWay/laravel-mix/releases)
- [Commits](https://github.com/JeffreyWay/laravel-mix/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
andresrs/opinions-assemble,andresrs/opinions-assemble,andresrs/opinions-assemble