An executive producer is sharing behind-the-scenes info about the recent “Jeopardy!” hosting shake-up. During the “Unscripted Storytellers” panel at the 2024 Television Critics Association’s winter press tour, Michael Davies, a showrunner with “Jeopardy!” spoke about the decision to let Mayim Bialik go and make Ken Jennings the sole host. “When I took over the show, we…