Elsa Keslassy International CorrespondentDespite current travel restrictions, a flurry of high-profile U.S. films and series are set to shoot in France, including Lionsgate’s “John Wick: Chapter 4” and Netflix’s “The Gray Man.” Starz mini-series “The Serpent Queen,” meanwhile, has been shooting in southern France since April.Paris hadn’t hosted any big American shoots for over a year as France struggled to ride out the various waves of the pandemic.