By William Schomberg, David Milliken and Suban Abdulla LONDON (Reuters) -The Bank of England kept borrowing costs on hold on Thursday, but a narrow vote and signs that Governor Andrew Bailey might soon join those seeking a rate cut increases the chances of a December move after the government's budget later this month. Mindful of Britain's still-high headline inflation rate, the nine-strong Monetary Policy Committee voted 5-4 to keep the central bank's benchmark Bank Rate at 4.0%, the BoE said. Most eco ...