HBO Max’s “Sex and the City” reboot “And Just Like That…,” his longtime collaborator Nia Vardalos dished this week. Vardalos, 60, didn’t spill details of the duo’s upcoming film, “My Big Fat Greek Wedding 3,” but claimed to “Entertainment Tonight” that Corbett, 61, gave her some insider info on his return to the “Sex and the City” franchise for Season 2 of the revival.“He got in really good shape,” Vardalos told ET on the red carpet at Elton John AIDS Foundation’s Oscars viewing party Sunday.