Sweeping !32277 from master to 21.9. ATLINFR-3506: Make sure atlasexternals build is done from correct repo (!32516) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-08ff978d14-21.9 into 21.9 May 01, 2020

ATLINFR-3506: Make sure atlasexternals build is done from correct repo

See merge request !32277 (merged)