WASHINGTON — The Supreme Court on Monday said it will not hear a case out of Pennsylvania related to the 2020 election, a dispute that had lingered while similar election challenges had already been rejected by the justices.The high court directed a lower court to dismiss the case as moot.The justices in February, after President Joe Biden’s inauguration, had rejected a handful of cases related to the 2020 election. In the case the court rejected Monday, however, the court had called for additional briefing …