By Seamus Duff Fans of ITV Cosy Crime are rejoicing over the return of hit series Vera – after star actress Brenda Blethen hinted she was ready to quit the show. The long-running crime drama has been on air since 2011 and is now in its thirteenth season – with an impressive 51 episodes already available to watch. But 77-year-old Brenda, who plays the titular character DCI Vera Stanhope, had left fans fearing the show would be cancelled after season twelve as she hinted she was getting too tired of all the long filming days. She told the Mirror last year: “When we finish filming, I always say, …