Add validation for otlp destination protocol #799

Job	Run time
List tests	3s
Integration Test (annotation-autodiscovery)	3m 59s
Integration Test (auth)	4m 20s
Integration Test (auto-instrumentation)	4m 56s
Integration Test (cluster-monitoring)	4m 19s
Integration Test (control-plane-monitoring)	5m 24s
Integration Test (integration-cert-manager)	3m 3s
Integration Test (integration-grafana)	2m 57s
Integration Test (integration-loki)	3m 59s
Integration Test (integration-mysql)	2m 53s
Integration Test (integration-tempo)	3m 55s
Integration Test (istio-service-mesh)	4m 11s
Integration Test (profiling)	2m 49s
Integration Test (prometheus-io-annotations)	3m 42s
Integration Test (sharded-kube-state-metrics)	4m 15s
Integration Test (split-destinations)	4m 11s
Integration Test (statsd)	3m 18s
Integration Test (terraform-deployment)	3m 56s
	1h 6m 10s

Provide feedback