[Backport 2.x] Backport Service Accounts into 2.x#3639

Merged

DarshitChanpura merged 10 commits intoopensearch-project:2.xfrom RyanL1997:service-acc-2x

Nov 3, 2023

+1,257-321

Commits on Nov 2, 2023

Commits on Nov 3, 2023

Fixes checkstyle error
DarshitChanpura
committed