Problem with https in url cron items

short description

What is happening and what is wrong with that?

Cron is not running if passed https url with some certificates, ie. the --no-check-certificate is missing in cron job to prevent this

correct behaviour

What should happen instead? it should open the https url

environment

Server OS: ubuntu Server OS version: any ISPConfig version: 3.0,3.1,...

proposed fix

add --no-check-certificate to the wget (https://git.ispconfig.org/ispconfig/ispconfig3/blob/master/server/plugins-available/cron_plugin.inc.php#L240)