President Biden on Thursday told Jewish leaders that he spent time at the Tree of Life synagogue in Pittsburgh after the October 2018 mass murder of 11 people there — but the synagogue told The Post he never visited. “I remember spending time at the, you know, going to the, you know, the Tree of Life synagogue, speaking with them,” Biden said in a 16-minute virtual address ahead of the Jewish holidays Rosh Hashanah and Yom Kippur. Video below: Twitter LinkBarb Feige, executive director of the Tree of Life, said that Biden did not visit the synagogue in the nearly...