Edit: It seems in order to obtain code signing I need to pay for a subscription, so that's not an option for me. It also appears that places like steam don't force you to use it which is a relief since I can't afford it.
I've looked into this and unless a user downloads the game from itchios app not the normal browser version (or steam in the future when I release my game there), or unless I pay a costly subscription, the warning won't go away.
