French star Camille Cottin (“ Call My Agent “) has been tapped to host the 51st César Awards ceremony, France’s equivalent to the Oscars. The ceremony will take place on Feb. 27 at the Olympia theater in Paris, and is being organized by the Académie des Arts et Techniques du Cinéma and Canal+, its main sponsor. Cottin broke out internationally playing Andrea, a fearless and funny talent agent in Fanny Herrero’s “Call My Agent” and went on to star in the BBC series “Killing Eve.” Cottin has