By Patricia Zengerle WASHINGTON (Reuters) – Democratic and Republican U.S. lawmakers praised Ukraine’s government on Tuesday for taking swift action against corruption and insisted that U.S. military and humanitarian aid to President Volodymyr Zelenskiy’s government should continue. A slew of senior Ukrainian officials were dismissed on Tuesday in Ukraine’s biggest political shake-up of the war so far, which Kyiv said showed Zelenskiy was in tune with his public following corruption allegations. “It’s a defining moment for Ukraine. It’s a defining moment for all of us, Germany, the United Stat…