Completely stuck for me too. Tried driving away, tried doing other quests, nothing. I sent over my saves to CDPR as well but guess nothing changed for 1.05. They're just huddled up standing around awkwardly.
I'm having an issue on the same mission, just at the end. They will not start the conversation after returning to the camp. And i can't leave because i can't call a vehicle, fast travel, or take out my weapons...
Unfortunately doens't work for me. Already serached the whole building (besides the little area i cant because there is no energy)and I think there is some item missing that spawns after speaking to the nomads.
It got stuck for me too on PC but after I reloaded an autosave from when I arrive at the Avocado camp before talking to Saul, Mitch, Panam and re-did it from there it worked correctly. Both times I rode with Panam. When you're done with the ride, try waiting until all the nomads have stopped walking before talking to anyone, maybe that was the difference the second time.