WASHINGTON — The White House is warning Congress that funding to pay Department of Homeland Security personnel will “soon run out,” sparking new threats of airport disruptions and national security concerns as the House slow-walks legislation to end what has been the longest-ever lapse in agency funding. In a memo late Tuesday to lawmakers, the Office of Management and Budget said money that President Donald Trump tapped to pay Transportation Security Administration and other workers through executive actions will be exhausted by May. It called on the House to quickly approve the budget resolution senators approved in an all-night session last week that would pave the way for full funding for the department. “DHS will soon run out of critical operating funds, placing essential personnel and operations at risk,” the memo said.…