Create Cron Job in shared host and laravel

i want send notification every Minute to my users with laravel framework and shared host ,ssh access not accessible in my host, i'm so sorry for my english

my command

namespace App\Console\Commands;

use App\Classes\NotificationClass;
use Illuminate\Console\Command;

class Checkreserve extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'check:reserve';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'send notification to all user';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $ss=new NotificationClass();
        $ss->sendNotification();
        $this->info('sende to all');
    }
}

my kernel class

namespace App\Console;

use App\Console\Commands\Checkreserve;
use Illuminate\Console\Scheduling\Schedule;
use Illuminate\Foundation\Console\Kernel as ConsoleKernel;

class Kernel extends ConsoleKernel
{
    /**
     * The Artisan commands provided by your application.
     *
     * @var array
     */
    protected $commands = [
        // Commands\Inspire::class,
        Commands\Checkreserve::class,
    ];

    /**
     * Define the application's command schedule.
     *
     * @param  \Illuminate\Console\Scheduling\Schedule  $schedule
     * @return void
     */
    protected function schedule(Schedule $schedule)
    {
        // $schedule->command('inspire')
        //          ->hourly();
        $schedule->command('Checkreserve')->everyMinute();
    }
}

and my cron job

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