Jenna Ortega, who was so good on Netflix's stalker series You last season, has joined the growing cast of Scream 5 according to Deadline. Courteney Cox and David Arquette are set to reprise their roles as Gale Weathers and Dewey Riley, respectively, while Neve Campbell is in talks to return as Sidney Prescott. Meanwhile, In the Heights star Melissa Barrera joined the cast earlier this week, and both her and Ortega's roles are being kept under wraps. Perhaps the two of them will be the new Billy and Stu. You never know... Ready or Not filmmakers Matt Bettinelli-…