loongson/pypi: links for dockerrotate

loongson/mirror dockerrotate-3.2.tar.gz
loongson/mirror dockerrotate-3.1.tar.gz
loongson/mirror dockerrotate-3.0.1.tar.gz
loongson/mirror dockerrotate-3.0.tar.gz
loongson/mirror dockerrotate-2.0.1.tar.gz
loongson/mirror dockerrotate-1.2.tar.gz