loongson/pypi: links for psycopg2-binary

INFO: Because this project isn't in the mirror_whitelist, no releases from root/pypi are included.

loongson/pypi psycopg2-binary-2.9.3.tar.gz
loongson/pypi psycopg2_binary-2.9.3-cp38-cp38-linux_loongarch64.whl