Author J.K. Rowling said she won’t apologize to Harry Potter stars Daniel Radcliffe and Emma Watson — or any other celebrity for that matter — who have expressed support for the transgender community, RadarOnline.com has learned. Rowling made her stance known after making yet another series of anti-transgender posts on X following the release of a gender transition review from U.K. pediatrician Dr. Hillary Cass. On Thursday, Rowling detailed her outrage at the support of the trans community in seven X posts after the release of the Cass Review, which round teenagers in the U.K. have been allow…