By Andrea Shalal WASHINGTON (Reuters) -The White House on Friday said it was closely monitoring Houthi attacks on ships in the Red Sea, but did not expect the situation to have a significant impact on holiday prices or the availability of products. Lael Brainard, director of the White House National Economic Council, told reporters that the U.S. economy was proving resilient, with inflation having come down faster than even the more optimistic forecasts had indicated, the labor market rebounding, and growth remaining solid. But she said the administration remained keenly alert to risks, includ…