By Hilary Russ NEW YORK (Reuters) – Taco Bell wants to hire at least 5,000 employees in one day, it said on Tuesday, and is adding benefits for some general managers to sweeten the pot as restaurants struggle to hire enough workers to keep up with a surge in sales amid a broader U.S. economic recovery. Taco Bell, part of Yum Brands Inc, will hold spot interviews on April 21 in parking lots at nearly 2,000 Taco Bell locations, where some candidates won’t even have to leave their cars to apply. It has also added four weeks of annual vacation, eight weeks of paid maternity leave, and four weeks o…