By David Shepardson WASHINGTON (Reuters) -The U.S. Justice Department on Monday asked a federal appeals court to allow the Biden administration to resume enforcing a federal employee vaccine mandate that had been blocked by a lower-court judge in January. A 5th U.S. Circuit Court of Appeals panel on Thursday reinstated President Joe Biden’s executive order mandating that federal civilian employees be vaccinated against COVID-19. The White House last week had told federal agencies they “must continue to take no action to implement or enforce the COVID-19 vaccination requirement” pending additio…