loongson/pypi: links for boost-headers

loongson/mirror boost_headers-1.85.0.tar.gz
loongson/mirror boost_headers-1.85.0-py3-none-any.whl
loongson/mirror boost_headers-1.81.0.post1.tar.gz
loongson/mirror boost_headers-1.81.0.post1-py3-none-any.whl
loongson/mirror boost_headers-1.81.0.tar.gz
loongson/mirror boost_headers-1.81.0-py3-none-any.whl