loongson/pypi: links for pyreqgen

loongson/mirror pyreqgen-0.0.4.tar.gz
loongson/mirror pyreqgen-0.0.4-py3-none-any.whl
loongson/mirror pyreqgen-0.0.3.tar.gz
loongson/mirror pyreqgen-0.0.3-py3-none-any.whl