LONDON — A data leak that led thousands of Afghans to be resettled in the U.K. after their safety was jeopardized because they assisted forces against the Taliban also exposed the identities of British spies and special forces, news organizations reported Thursday. U.K. media reported that the names of more than 100 special forces troops, MI6 spies and military officers were part of the leak. A person with knowledge of the events confirmed to The Associated Press that “a small number of special