Support multi-targetting compilation (OSOE-1251)

[Skrypt]

The CI workflows are not optimized for multi-targetting compilation. OCC should use them.

Jira issue

[Piedone]

Thanks for the feature request!

I don't think this would be needed in Orchard Core Commerce, though, see the discussion on Discord.

[Skrypt]

You're welcome. Though, not sure why I need to open this request here. 😉