Doo the right thing, Manhattan. Putrid piles of dog poo have been increasingly plaguing the city’s priciest borough since 2022, skidding to an all-time high in February, a disgusting new analysis found. Manhattan Borough President Brad Hoylman-Sigal dropped the study Friday as Mayor Zohran Mamdani and City Council members howled about the SCOOP Act — a package of bills taking aim at the city’s dog feces free-for-all. Big Apple dog owners simply have to do better at picking up their big dog crap piles — with a helping hand from the city, the borough prez said. “This crap has to stop,” Hoylman-Sigal said in a statement. New Yorkers emerged from snowstorms this winter to discover their city covered in dog doo.…