loongson/pypi: links for collective-eggproxy

loongson/mirror collective.eggproxy-0.5.1.tar.gz
loongson/mirror collective.eggproxy-0.5.tar.gz
loongson/mirror collective.eggproxy-0.3.1.tar.gz
loongson/mirror collective.eggproxy-0.3.tar.gz
loongson/mirror collective.eggproxy-0.2.0.tar.gz