loongson/pypi: links for yarl

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

loongson/pypi yarl-1.7.2.tar.gz
loongson/pypi yarl-1.7.2-cp39-cp39-linux_loongarch64.whl
loongson/pypi yarl-1.7.2-cp37-cp37m-linux_loongarch64.whl
loongson/pypi yarl-1.7.2-cp36-cp36m-linux_loongarch64.whl
loongson/pypi yarl-1.6.3.tar.gz
loongson/pypi yarl-1.6.3-cp39-cp39-linux_loongarch64.whl
loongson/pypi yarl-1.6.3-cp37-cp37m-linux_loongarch64.whl
loongson/pypi yarl-1.6.3-cp36-cp36m-linux_loongarch64.whl