loongson/pypi: links for jupyterlab

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

loongson/pypi jupyterlab-3.4.4-py3-none-any.whl
loongson/pypi jupyterlab-3.1.4-py3-none-any.whl
loongson/pypi jupyterlab-3.0.16-py3-none-any.whl