loongson/pypi: links for contourpy

loongson/pypi contourpy-1.3.2-cp310-cp310-manylinux_2_28_loongarch64.whl
loongson/pypi contourpy-1.3.1-cp310-cp310-manylinux_2_28_loongarch64.whl
loongson/pypi contourpy-1.2.1-cp310-cp310-linux_loongarch64.whl
loongson/pypi contourpy-1.1.1-cp38-cp38-linux_loongarch64.whl