loongson/pypi: links for netcdf4

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

loongson/pypi netCDF4-1.6.5-cp39-cp39-linux_loongarch64.whl
loongson/pypi netCDF4-1.6.5-cp38-cp38-linux_loongarch64.whl
loongson/pypi netCDF4-1.6.5-cp312-cp312-linux_loongarch64.whl
loongson/pypi netCDF4-1.6.5-cp311-cp311-linux_loongarch64.whl
loongson/pypi netCDF4-1.6.5-cp310-cp310-linux_loongarch64.whl