Assuming you are on Apple Silicon, this will be the problem discussed here:

Description macOS Ventura fails to launch Mac Steam What is your game version? can't launch app, latest version What DLC do you have installed? Green Planet Please explain your issue is in as much detail as possible. Since...
forum.paradoxplaza.com
It is definitely weird that it affected ALL Apple Silicon users after a certain MacOS version came out, but only some were helped by 13.3.1 !
In any case, the fix would have to come from Apple again I'm afraid, as they caused it.
Sorry about that!