Dockerfile-x86_64 extends manylinux_2_28 (AlmaLinux 8) with a CUDA toolkit,
parameterized by the CUDA_VERSION and GCC_TOOLSET build args. Jenkins uses it to
build, test and package cufinufft for each supported CUDA version; locally:

    podman build --file tools/cufinufft/docker/Dockerfile-x86_64 \
                 --build-arg CUDA_VERSION=12.4 --build-arg GCC_TOOLSET=13 \
                 --tag cufinufft-cuda12.4 .
    podman run --rm --device nvidia.com/gpu=all -v $PWD:/io -w /io \
               cufinufft-cuda12.4 tools/cufinufft/build-wheel.sh "70;80;90"
