EESSI GPU support sync meeting (2023-12-20)

attending: Kenneth + Caspar

• merged PRs
  • install CUDA under host_injections (PR #410)
    • do the mistakes in here cause problems with PRs to add software to software.eessi.io?
• open PRs
  • Add CUDA, CUDA samples, and CUDA related hooks and lmodrc changes (PR #434)