[Nesbot/Carbon]Support

[GrinWay]

Make +01:00 +1:00... timezones valid to set them in the: AbstractDashboardController::configureCrud() (Crud::setTimezone())

Example of how to use this feature

    public function configureCrud(): Crud
    {
        return parent::configureCrud()
            ->setTimezone('+12:00');
    }

Just include Nesbot/Carbon dependency in your project to make it possible: