Taylor Hill/Getty Images Entertainment/Getty ImagesButter yellow, it’s been a slice. But after seasons of dominating the color trend cycle, there is a bolder, brighter shade here to take the reins. Just ask Hailey Bieber. On Wednesday night, the Rhode founder stepped out for dinner in Los Angeles wearing a canary-yellow top that single-handedly signaled the retirement of buttery pastels. Her vintage Dolce & Gabbana camisole was made of high-shin…