In a 20-minute conversation about creating the fearsome Dedra Meero for “Andor,” actor Denise Gough mentions the show’s writing exactly seven times. Nine times, if you count the last mention — “The writing, the writing, the writing!” — as multiple, but it’s hard to fault the Irish actor for being so thoroughly enamored with the scripts by Tony Gilroy, Dan Gilroy, Beau Willimon, and Stephen Schiff. “It’s like a great play,” she told IndieWire over Zoom, speaking of how everything on “Andor” came together with the writing as its foundation.