vgdev/stable: links for json-canonical

root/pypi json-canonical-2.0.0.tar.gz
root/pypi json_canonical-2.0.0-py3-none-any.whl
root/pypi json-canonical-1.0.1.tar.gz
root/pypi json_canonical-1.0.1-py3-none-any.whl
root/pypi json-canonical-1.0.0.tar.gz
root/pypi json_canonical-1.0.0-py2-none-any.whl