loongson/pypi: links for sflow

loongson/mirror sflow-1.8.0.3.tar.gz
loongson/mirror sflow-1.8.0.1.tar.gz
loongson/mirror sflow-1.8.0.1-py3-none-any.whl
loongson/mirror sflow-1.5.1.1.tar.gz
loongson/mirror sflow-1.5.1.tar.gz
loongson/mirror sflow-1.5.0.tar.gz
loongson/mirror sflow-1.2.1.1.tar.gz
loongson/mirror sflow-1.2.0.tar.gz