Hello @anes !

First of all it's better not to use the shared server for the modern sites-solutions (it relates not for UNA software). But perhaps your Cron Jobs trouble is possible to be resolved if you will find the proper path for PHP 7.4 to apply it for the Cron Jobs. So if the default variant looks like /usr/share/php then it should be smth like /user/share/php7.4 (the details might be different). But it's better to ask your hosting support about it.