By Howard Schneider and Ann Saphir WASHINGTON (Reuters) -The Federal Reserve on Wednesday raised interest rates by a quarter of a percentage point and laid out an aggressive plan to push borrowing costs to restrictive levels by next year as concerns about high inflation and the war in Ukraine overtook the risks of the coronavirus pandemic. The U.S. central bank, in a surprise move, projected the equivalent of quarter-percentage-point rate increases at each of its six remaining policy meetings this year, which would push the target federal funds rate to a range between 1.75% to 2.00% by the end…