The doctors at the fictional Pittsburgh Trauma Medical Center will be getting an infusion of cash from the California Film Commission when they return for Season 3 of “ The Pitt .” The show, which films in Burbank, will get $24.2 million in state subsidies, up from the $12.2 million awarded for each of the first two seasons. Gov. Gavin Newsom more than doubled the state’s film subsidy to $750 million last year in response to a dramatic downturn in production. But as “The Pitt” shows, that extra