[Backport 2.x] Configure OpenSearch Dashboards before running in CI #4095

Job	Run time
Run test group of app_analytics_test	28m 26s
Run test group of event_analytics_test	22m 34s
Run test group of integrations_test	18m 31s
Run test group of metrics_analytics_test	19m 6s
Run test group of notebooks_test	22m 56s
Run test group of panels_test	22m 23s
Run test group of trace_analytics_test	26m 50s
	2h 40m 46s

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