Multiple outlets are reporting Foxconn has resumed hiring for the production of a new iPhone. More workers have been hired at Foxconn’s Zhengzhou plant, the company’s main production facility for iPhones. A hiring freeze imposed in February has ended, and new workers will help assemble both the new device — likely the iPhone 5S — and existing iPhone models. The factory has added about 10,000 assembly-line workers per week since the…