Bump CIL

[casperdcl]

• update CIL v25 (fixes CI native tests, fixes External_CIL.cmake needs to do pip install for recent enough version of CIL #960, fixes ctests fail on Windows due to module problem TomographicImaging/CIL#2141, fixes failed to import CIL on one of the GitHub Actions jobs #959)
• update docs
• update changelog
• fix CIL tests
  • support numpy v2 TomographicImaging/CIL#1915
    • drop tomophantom & tigre (require numpy<2) for now
    • or alternatively, add SIRF numpy<2 compat (asarray(copy) kwarg requires numpy>2) Array views for sirf.Gadgetron data containers. SIRF#1332
  • zenodo_get test import Add conditional skip for zenodo_get tests TomographicImaging/CIL#2216

[paskino]

Currently the docker build fails with the first stage of the jupyter-stack creation, somewhere in this command:
https://github.com/jupyter/docker-stacks/blob/d1109d3a078c5502a20da8ad863bf84e8e032d2a/images/docker-stacks-foundation/Dockerfile#L116-L142

https://github.com/SyneRBI/SIRF-SuperBuild/actions/runs/18942535930/job/54099282593#step:9:480

#16 ERROR: process "/bin/bash -o pipefail -c set -x &&
     arch=$(uname -m) &&
     if [ \"${arch}\" = \"x86_64\" ]; then
         arch=\"64\";
     fi &&
     wget --progress=dot:giga -O /tmp/micromamba.tar.bz2
         \"[https://micromamba.snakepit.net/api/micromamba/linux-${arch}/latest\](https://micromamba.snakepit.net/api/micromamba/linux-$%7Barch%7D/latest/)" &&
     tar -xvjf /tmp/micromamba.tar.bz2 --strip-components=1 bin/micromamba &&
     rm /tmp/micromamba.tar.bz2 &&
     PYTHON_SPECIFIER=\"python=${PYTHON_VERSION}\" &&
     if [[ \"${PYTHON_VERSION}\" == \"default\" ]]; then PYTHON_SPECIFIER=\"python\"; fi &&
     ./micromamba install
         --root-prefix=\"${CONDA_DIR}\"
         --prefix=\"${CONDA_DIR}\"
         --yes
         \"${PYTHON_SPECIFIER}\"
         'mamba'
         'jupyter_core' &&
     rm micromamba &&
     mamba list python | grep '^python ' | tr -s ' ' | cut -d ' ' -f 1,2 >> \"${CONDA_DIR}/conda-meta/pinned\" &&
     mamba clean --all -f -y &&
     fix-permissions \"${CONDA_DIR}\" &&
     fix-permissions \"/home/${NB_USER}\"" 

did not complete successfully: exit code: 1