By David Milliken and Farouq Suleiman LONDON (Reuters) – The Bank of England raised its key interest rate by half a percentage point to 2.25% on Thursday and said it would continue to “respond forcefully” to inflation as needed, even though the British economy is probably in a shallow recession already. The central bank cut its forecast for the peak in inflation to just under 11% from more than 13%, following Prime Minister Liz Truss’s plan to cap energy prices, but warned that the policy could create longer-term price pressures. Just hours after the BoE decision, new finance minister Kwasi Kw…