The list of suitors for Warner Bros. Discovery is poised to get longer – with possible bidders that include cable-TV giant Comcast, On The Money has learned. As first reported by The Post, Paramount Skydance chief David Ellison is in talks with private equity giants including Apollo Global Management to join a  possible bid to buy Warner Bros. Discovery  – a megadeal that could be worth more than $60 billion. Sources said Ellison is casting for alternative sources of cash amid doubts whether