loongson/pypi: links for pgpsubmit

loongson/mirror pgpsubmit-0.3.1.tar.gz
loongson/mirror pgpsubmit-0.3.tar.gz
loongson/mirror pgpsubmit-0.2.tar.gz
loongson/mirror pgpsubmit-0.1.1.tar.gz
loongson/mirror pgpsubmit-0.1.tar.gz