loongson/pypi: links for properties-step

loongson/mirror properties_step-2023.7.31.tar.gz
loongson/mirror properties_step-2023.7.31-py2.py3-none-any.whl
loongson/mirror properties_step-2023.7.30.tar.gz
loongson/mirror properties_step-2023.7.30-py2.py3-none-any.whl