loongson/pypi: links for nvpl-rand

loongson/mirror nvpl_rand-0.5.2-py3-none-manylinux_2_26_aarch64.whl
loongson/mirror nvpl_rand-0.5.1-py3-none-manylinux_2_26_aarch64.whl
loongson/mirror nvpl_rand-0.5.0-py3-none-manylinux_2_26_aarch64.whl