Tyson Foods, the largest U.S. meat processor, took a 5 percent stake in plant-based protein maker Beyond Meat amid growing pressure on food companies to reduce environmental and health risks by changing the way they source protein. Terms of the deal were not disclosed. Manhattan Beach, California-based Beyond Meat sells plant-based burger patties, heat-and-eat meals and non-GMO soy and pea protein frozen foods at grocery chains such as Whole Foods Market Inc (WFM.O), Publix, Albertsons…