GitLab Runners cleaning campaign ongoing (ETA 2nd October 2023). Check https://cern.ch/otg0078219 for further information.
This alternative Python Frontier client was never finished/used and is obsolete.
Add the Frontier client dependency (libfrontier_client.so) directly to the Athena project (this is already the case for AthGeneration).
Mentioning ATR-19150 to track package deletions.