Sweeping !55436 from master to 22.0. CxxUtils+AthenaKernel: Prepare for a possible migration to 64-bit sgkey. (!55470) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-3a4ffafd643-22.0 into 22.0 Jul 27, 2022

CxxUtils+AthenaKernel: Prepare for a possible migration to 64-bit sgkey.

See merge request !55436 (merged)