Nick Vivarelli International CorrespondentThe international premiere of animated musical comedy “Sing 2” will open the upcoming Torino Film Festival, Italy’s preeminent event for young directors and indie fare, which will be honoring Monica Bellucci with a lifetime achievement award.Director Garth Jennings will be on hand in Torino for the overseas festival bow of his sequel to 2016’s “Sing,” which follows a koala named Buster Moon, voiced by Matthew McConaughey, as he and his cast of