A small, self-driven vehicle heads across a sidewalk to a person and stops. Then the individual reaches down, opens the hatch and gets out the food he or she ordered. This isn’t a scene in a science fiction movie, rather Uber Eats’ newest mode of food delivery coming for Miami-Dade residents. Uber on Thursday announced a partnership with California technology company Cartken that enables Cartken’s self-driving robots to deliver Uber Eats’ customer orders. For now, people in the Dadeland area can have food delivered by the robot. Early next year, Uber plans to expand its robot food delivery ser…