Dan Slevin reviews three new films in cinemas and one on digital: in Conclave, Ralph Fiennes and 117 other cardinals attempt to elect a new Pope; Robert Eggers remakes the 1922 horror classic Nosferatu; Tilda Swinton and Julianne Moore team up for Pedro Almodóvar’s first film in English, The Room Next Door and 94-year-old Clint Eastwood has made a courtroom drama called Juror #2.