@Hayao Miyazaki  “The Boy and the Heron” may not be Hayao Miyazaki’s swan song after all, suggests Junichi Nishioka, the vice president of Studio Ghibli. Miyazaki has already been pitching new ideas to his colleagues, according to Nishioka. The news came via an interview with Eli Glasner at the Toronto International Film Festival, where “The…