Beginning November 13th, 2020, we will no longer accept account passwords when authenticating with the GitHub REST API. In the future, we will similarly no longer accept account passwords when authenticating Git operations.
R. Krummenacher, B. Norton, and A. Marte. Future Internet -- FIS 2010: Third Future Internet Symposium, Berlin, Germany, volume 6369 of Lecture Notes in Computer Science, Springer, Berlin, (2010)