By Eduardo Baptista and David Stanway BEIJING/SHANGHAI (Reuters) -Residents of Beijing fretted on Friday over dozens of new COVID-19 cases reported daily and over the possibility of more restrictions on movements as China’s leaders threatened action against critics of their zero-COVID policy. Incurring a heavy economic cost and facing rare public criticism on its tightly controlled internet, China is increasingly out of step with the rest of the world where COVID restrictions are being abandoned and vaccines relied on to protect people. Internationally, industry organisations have complained t…