Zuul now supports including the file extension on the playbook path and omitting the extension is now deprecrated. Update references to include the extension. Change-Id: I358a4ee4d7faed68e449592480cb5d8fafa70cd1
Import legacy playbooks for zuulv3 transition Change-Id: I30763af7a4062d3c254a21eda532e3a4e90192da