[Backport 2.8] Rest admin permissions (#2411)#2807

Merged

cwperks merged 8 commits intoopensearch-project:2.8from DarshitChanpura:backport/backport-2411-to-2.x

May 30, 2023

+2,424-867

Commits on May 29, 2023

role.yml changes for lron feature (opensearch-project#2789 ) (opensearch-project#2792 )

opensearch-trigger-bot[bot]
and
zhichao-aws
authored
add ml model group system index (opensearch-project#2790 ) (opensearch-project#2797 )

opensearch-trigger-bot[bot]
and
ylwu-amzn
authored