Add(meta-brainscales) min req. version for googletest

See merge request technical-coordination/devops/platform/ebrains-spack-builds!22

Pin pynn-brainscales to new version

See merge request technical-coordination/devops/platform/ebrains-spack-builds!21

Update pynn-brainscales to "rc2"

See merge request technical-coordination/devops/platform/ebrains-spack-builds!20

That's the first version that should really work :); rc1 experienced
scheduling problems when multiple users were accessing the same hardware
resource in parallel.

Updates for tvb packages

See merge request akarmas/ebrains-spack-builds!19

Add specs in spack.yaml. Update names for pyaescrypt and formencode and specify them as dependencies for tvb-framework.

Pin py-pynn to 0.9.5

See merge request akarmas/ebrains-spack-builds!18

Enforce(meta-brainscales) pynn@0.9.4 or later

See merge request akarmas/ebrains-spack-builds!17

Add spack packages for tvb-framework dependencies that are not available on spack

See merge request akarmas/ebrains-spack-builds!16

Add new versions to NEST package

See merge request akarmas/ebrains-spack-builds!15

Fix pynn brainscales

See merge request akarmas/ebrains-spack-builds!14

Fix concretization error

See merge request akarmas/ebrains-spack-builds!13

Fix(pynn-brainscales) py-pybind11 had a strange preferred version

See merge request akarmas/ebrains-spack-builds!12

Add pynn-brainscales

See merge request akarmas/ebrains-spack-builds!11

Fix(meta-brainscales): Unpin llvm

See merge request akarmas/ebrains-spack-builds!10