root/dev-pypi: links for xgboost-cu13

root/pypi xgboost_cu13-3.1.0-py3-none-manylinux_2_28_x86_64.whl
root/pypi xgboost_cu13-3.1.0rc1.tar.gz
root/pypi xgboost_cu13-3.1.0rc1-py3-none-manylinux_2_28_x86_64.whl