Former “Real Housewives of Beverly Hills” star Lisa Rinna said she believes she was drugged with fentanyl at “The Traitors” premiere party in January. During an interview Thursday on “Good Day New York“ to promote her new memoir “You Better Believe I’m Gonna Talk About It,” Rinna briefly opened up about the party at the bar in Hollywood after TMZ reported she was drugged. When asked by host Rosanna Scotto about the party and if she was “roofied” — a slang term for drugs being slipped into someone’s drink without their knowledge — Rinna said, “Yes, I was.” When Scotto pressed her if she was certain and took a test, Rinna said she did. “I had fentanyl in my system. I had fentanyl, high levels of amphetamine and other things,” she said. “But I can’t talk a lot about it because we’re still dealing with it.” Rinna thanked her husband, Harry Hamlin, for intervening. “Luckily, my husband was there and was able to get me out of there quickly,” she said. The Season 4 premiere party was held Jan.…