update py-viziphant to 0.4.0

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!468

arbor: change mpi dependency type to ("build", "run")

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!473

fix(r-rgsl): build

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!472

fix(ambertools): build

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!471

fix(netlib-xblas): build

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!469

fix(libvips): build

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!467

change Arbor cmake dependency type to ("build", "run")

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!470

update py-elephant to 1.0.0

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!466

There's a missing dependency on `m4`.

update Python client for Neuromorphic Computing platform

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!465

update py-elephant to 0.14.0

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!462

feat(bss2): update software (fix python install paths)

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!460

This incorporates changes in the BrainScaleS-2 repos (touch almost
all repositories) to install Python libraries (incl. CPython extension
libraries) into some local site-packages path, instead of a `lib/` path.

feat(neuron): Use default install path for Python libs

See merge request technical-coordination/project-internal/devops/platform/ebrains-spack-builds!429