loongson/pypi: links for proxy-fn

loongson/mirror proxy-fn-3.1.3.tar.gz
loongson/mirror proxy_fn-3.1.3-py3-none-any.whl
loongson/mirror proxy-fn-3.1.1.tar.gz
loongson/mirror proxy_fn-3.1.1-py3-none-any.whl
loongson/mirror proxy-fn-3.1.0.tar.gz
loongson/mirror proxy_fn-3.1.0-py3-none-any.whl
loongson/mirror proxy-fn-3.0.0.tar.gz
loongson/mirror proxy_fn-3.0.0-py3-none-any.whl