“Dead Ringers” showrunner Alice Birch, with input from actor Rachel Weisz, created an entirely reconsidered update of the David Cronenberg film of the same name. The Prime Video miniseries “Dead Ringers” revisits the strange story told in David Cronenberg’s 1988 feature starring Jeremy Irons in the lead roles of Beverly and Elliot Mantle. “It was Rachel’s idea,” says award-winning playwright …