This trainer will not be updated.
The developer of this specific trainer is retired from WeMod. As it states next to his name in his posts.
Please use the newer trainer made by MrAntiFun.
It is here: Kingdom Two Crowns Cheats and Trainer for Steam.
Aside from that - trainer updates need to be voted for via the WeMod desktop app.
How do I request an update for games? - WeMod Support