[Backport 2.x] Adds point in time APIs (#461)#472

Merged

reta merged 1 commit intoopensearch-project:2.xfrom harshavamsi:backport/backport-461-to-2.x

May 9, 2023

+1,841-9

Commits on May 8, 2023

Adds point in time APIs (opensearch-project#461 )
harshavamsi
committed