[Backport 1.x] Prepare for 1.8.0 release (#773) #2196

Job	Run time
Integration OpenSearch (2.16.0)	6m 52s
Integration OpenSearch Unreleased (1.x, 11)	4m 32s
Integration OpenSearch (2.14.0)	7m 4s
Integration OpenSearch Unreleased (2.x, 17)	11m 17s
Integration OpenSearch (2.12.0)	7m 4s
Integration OpenSearch Unreleased (main, 21)	11m 8s
Integration OpenSearch (2.10.0)	6m 38s
Integration OpenSearch (2.8.0)	6m 41s
Integration OpenSearch (2.6.0)	5m 31s
Integration OpenSearch (2.4.1)	4m 28s
Integration OpenSearch (2.2.1)	4m 28s
Integration OpenSearch (2.0.1)	4m 21s
Integration OpenSearch (1.3.14)	5m 0s
Integration OpenSearch (1.2.4)	4m 41s
Integration OpenSearch (1.1.0)	4m 24s
	1h 34m 9s

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