Apple Inc. is poised to face a US antitrust lawsuit as soon as March as the Justice Department prepares to take on one of the world’s most valuable companies, according to people familiar with the case. Antitrust enforcers allege that Apple has imposed software and hardware limitations on its iPhones and iPads to impede rivals from effectively competing, echoing concerns raised by Spotify Technology SA, bluetooth tracker Life360 Inc.’s Tile and messaging service Beeper. The Justice Department and Apple lawyers…