loongson/pypi: links for av

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

loongson/pypi av-12.3.0-cp39-cp39-linux_loongarch64.whl
loongson/pypi av-10.0.0-cp39-cp39-linux_loongarch64.whl
loongson/pypi av-10.0.0-cp38-cp38-linux_loongarch64.whl
loongson/pypi av-10.0.0-cp311-cp311-linux_loongarch64.whl
loongson/pypi av-10.0.0-cp310-cp310-linux_loongarch64.whl