loongson/pypi: links for hashbrown

loongson/mirror hashbrown-4.4.1.tar.gz
loongson/mirror hashbrown-4.4.1-py3-none-any.whl
loongson/mirror hashbrown-4.4.0.tar.gz
loongson/mirror hashbrown-4.4.0-py3-none-any.whl
loongson/mirror hashbrown-4.3.0.tar.gz
loongson/mirror hashbrown-4.3.0-py3-none-any.whl
loongson/mirror hashbrown-4.2.0.tar.gz
loongson/mirror hashbrown-4.2.0-py3-none-any.whl