Add support for Point In Time APIs #1068

Job	Run time
Integration OpenSearch Unreleased (1.x)	8m 3s
Integration OpenSearch (2.9.0)	10m 6s
Integration OpenSearch Unreleased (2.x)	8m 40s
Integration OpenSearch Unreleased (main)	2m 39s
Integration OpenSearch (2.8.0)	9m 22s
Integration OpenSearch (2.7.0)	9m 1s
Integration OpenSearch (2.6.0)	9m 42s
Integration OpenSearch (2.5.0)	9m 38s
Integration OpenSearch (2.4.1)	8m 9s
Integration OpenSearch (2.3.0)	8m 47s
Integration OpenSearch (2.2.1)	8m 44s
Integration OpenSearch (2.1.0)	8m 6s
Integration OpenSearch (2.0.1)	9m 6s
Integration OpenSearch (1.3.11)	9m 12s
Integration OpenSearch (1.2.4)	8m 5s
Integration OpenSearch (1.1.0)	7m 58s
	2h 15m 18s

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