Update elasticsearch-java to 8.15.0 #1959

Job	Run time
Submit Dependencies	0s
Submit Dependencies	0s
Test Coverage (ubuntu-latest, 2.13, corretto@11)	19m 16s
Test Coverage (ubuntu-latest, 2.13, corretto@11)	19m 16s
Build and Test (ubuntu-latest, 2.13, corretto@11)	22m 46s
Build and Test (ubuntu-latest, 2.13, corretto@11)	22m 46s
Test Legacy Avro	0s
Test Legacy Avro	0s
Build and Test (ubuntu-latest, 2.13, corretto@17)	18m 23s
Build and Test (ubuntu-latest, 2.13, corretto@17)	18m 23s
Integration Test	0s
Integration Test	0s
Build and Test (ubuntu-latest, 2.13, corretto@21)	18m 10s
Build and Test (ubuntu-latest, 2.13, corretto@21)	18m 10s
Build and Test (ubuntu-latest, 2.12, corretto@11)	1h 0m 15s
Build and Test (ubuntu-latest, 2.12, corretto@11)	20m 50s
Validate Steward Config (ubuntu-latest, temurin@11)	12s
Validate Steward Config (ubuntu-latest, temurin@11)	12s
Generate Site	0s
Generate Site	0s
Publish Artifacts	0s
Publish Artifacts	0s
	3h 58m 39s

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