Heroic had the same problem for me, I think it’s because it installs the latest Rockstar Launcher.
I’m actually using Bottles. What I needed is the Rockstar Launcher installer that is patched and hosted by Lutris. This one:
https://dl-eu.opendataapi.net/lutris/games/GTA/rockstar-games-launcher-1-0-36-344.exe
deleted by creator