Added otlp-gateway as part of validation check (#1202) #774

Job	Run time
List tests	4s
Integration Test (annotation-autodiscovery)	3m 54s
Integration Test (auth)	4m 2s
Integration Test (auto-instrumentation)	4m 49s
Integration Test (cluster-monitoring)	4m 5s
Integration Test (control-plane-monitoring)	5m 20s
Integration Test (integration-cert-manager)	3m 26s
Integration Test (integration-grafana)	4m 8s
Integration Test (integration-loki)	3m 52s
Integration Test (integration-mysql)	2m 52s
Integration Test (istio-service-mesh)	3m 58s
Integration Test (profiling)	2m 34s
Integration Test (prometheus-io-annotations)	3m 54s
Integration Test (sharded-kube-state-metrics)	4m 28s
Integration Test (split-destinations)	4m 5s
Integration Test (statsd)	3m 45s
Integration Test (terraform-deployment)	3m 30s
	1h 2m 46s

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