What Timmy wants, Timmy gets. Timothée Chalamet revealed that promoting his Bob Dylan biopic “A Complete Unknown” on “Saturday Night Live” last year was not a cheap gig. “I spent over six figures out of my pocket to do the ‘SNL’ performance,” the actor, 30, said during a conversation with filmmaker Richard Curtis at London’s Prince Charles Cinema on Saturday. “Lorne Michaels said, ‘Hey, do you want to host ‘SNL’?’ I said, ‘Yeah, can I do the music?’” Chalamet recalled. “He said, ‘No.’ I was