Yea, I’m having just the same Issues as you.
Yesterday I almost had no troubles at all. Maybe a crash every 1-2h, but that’s about it. But today? I can’t even stay inside a mission for longer than 2-3minutes without crashing.
Ryzen 7 7700X, Nvidia 4080, 32 GB Ram
→ Full Reinstall of all GPU-Drivers and all other suggested Methods in the GPU-Crash Thread, nothing seems to have worked.
Posted my Crash Reports in this Thread as well and awaiting a response atm: Continuous crashes during gameplay - #10 by r0tkehlchen