loongson/pypi: links for pyca

loongson/mirror pyca-4.4.tar.gz
loongson/mirror pyca-4.1.tar.gz
loongson/mirror pyca-4.0.tar.gz
loongson/mirror pyca-3.2.tar.gz
loongson/mirror pyca-3.1.tar.gz
loongson/mirror pyca-3.0.tar.gz
loongson/mirror pyca-2.2.tar.gz
loongson/mirror pyca-2.1-py3.8.egg
loongson/mirror pyca-1.0.0.tar.gz