By David Milliken LONDON (Reuters) – Bank of England policymaker Catherine Mann said her vote last month to raise Bank Rate by 0.75 percentage points reflected her concerns about a weak currency, rising inflation expectations and the boost to household incomes from an energy price cap. The BoE’s Monetary Policy Committee was split three ways when voting to raise rates last month, with the majority supporting a half-point rate rise to 2.25%, while Mann and two others backed 2.5% and new member Swati Dhingra sought an increase to 2%. Mann said her vote was driven by factors that had been buildin…