Sweeping !55349 from master to 22.0. LArHVCondAlg: Use lambdas with trailing-return-typeCloses ATLASRECTS-7173 (!55401) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-5378b814c75-22.0 into 22.0 Jul 25, 2022

LArHVCondAlg: Use lambdas with trailing-return-type

Closes ATLASRECTS-7173

See merge request !55349 (merged)