[8.19] Add max_concurrent_shard_requests to open_point_in_time rest-api-spec (#130726)#130750

elasticsearchmachine merged 1 commit intoelastic:8.19elastic/elasticsearch:8.19from

pquentin:backport/8.19/pr-130726pquentin/elasticsearch:backport/8.19/pr-130726Copy head branch name to clipboard