“LEGO® Star Wars Summer Vacation,” which is set shortly after the events of “Star Wars: The Rise of Skywalker,” features the voices of “Weird Al” Yankovic, Yvette Nicole Brown, Kelly Marie Tran, Anthony Daniels, Billy Dee Williams, and returning cast members from previous “LEGO Star Wars” specials, and includes “Weird Al’s” new original song, Scarif Beach Party.