phpvms/app/Cron/Nightly/NewVersionCheck.php

<?php

namespace App\Cron\Nightly;

use App\Contracts\Listener;
use App\Events\CronNightly;
use App\Services\VersionService;
use Illuminate\Support\Facades\Log;

class NewVersionCheck extends Listener
{
    private $versionSvc;

    /**
     * @param VersionService $versionSvc
     */
    public function __construct(VersionService $versionSvc)
    {
        $this->versionSvc = $versionSvc;
    }

    /**
     * Set any users to being on leave after X days
     *
     * @param CronNightly $event
     */
    public function handle(CronNightly $event): void
    {
        Log::info('Nightly: Checking for new version');
        $this->versionSvc->isNewVersionAvailable();
    }
}