loongson/pypi: links for ddt2

loongson/mirror ddt2-11.3.0.4.tar.gz
loongson/mirror ddt2-11.3.0.3.tar.gz
loongson/mirror ddt2-11.3.0.2.tar.gz
loongson/mirror ddt2-11.3.0.1.tar.gz
loongson/mirror ddt2-11.3.0.tar.gz
loongson/mirror ddt2-1.3.0.tar.gz