Spliting in 1 environment per compiler

.gitlab-ci.yml

ci/all_by_hand.sh

ci/apptainer_by_hand.sh

ci/concretize.sh

ci/install.sh

ci/install_compilers.sh

ci/prepare_squashfs.sh

ci/setup_spack.sh

ci/squashfuse_ll.sh

ci/stack_env.sh

ci/update_squashfs.sh

stacks/pinot-noir/config.json

stacks/pinot-noir/definitions_stack.yaml

stacks/pinot-noir/spack.yaml

stacks/pinot-noir/spack_nvhpc.yaml