By Paul Sandle LONDON (Reuters) -Shareholders in British cyber security firm Darktrace on Thursday voted against the election of non-executive director Patrick Jacob over concerns about his connection to Mike Lynch, the entrepreneur extradited to the United States to face fraud charges. Lynch’s Invoke Capital was a founding investor in Darktrace, giving it the right to nominate a representative to its board, and Jacob joined after last year’s AGM. But he was rejected in his first vote on Thursday, with 57% of votes cast opposing his election, according to a stock market announcement. Lynch, wh…