loongson/pypi: links for open3d-pycg-cpu

loongson/mirror open3d_pycg_cpu-0.19.0-cp39-cp39-manylinux_2_31_x86_64.whl
loongson/mirror open3d_pycg_cpu-0.19.0-cp312-cp312-manylinux_2_31_x86_64.whl
loongson/mirror open3d_pycg_cpu-0.19.0-cp311-cp311-manylinux_2_31_x86_64.whl
loongson/mirror open3d_pycg_cpu-0.19.0-cp310-cp310-manylinux_2_31_x86_64.whl