[lyon][hydra] Add hydra hosts keys
Related to Hydra cluster installation.
This merge request adds SSH keys for hydra-[1-4].
La mise à jour de gitlab est terminée. Nous sommes désormais en version 16.11.1
Merci de consulter la release note:
https://about.gitlab.com/releases/2024/04/18/gitlab-16-11-released/
Related to Hydra cluster installation.
This merge request adds SSH keys for hydra-[1-4].