25-GI-142-MSD(MK-1084-012): A Phase 3, Randomized, Open-label, Multicenter Clinical Study to Evaluate the Safety and Efficacy of MK-1084, Cetuximab, and mFOLFOX6 versus mFOLFOX6 With or Without Bevacizumab as First-line Treatment of Participants With KRAS