https://opentelemetry.io/blog/2023/ecs-otel-semconv-convergence/ https://www.elastic.co/guide/en/ecs/master/ecs-server.html https://opentelemetry.io/blog/2023/http-conventions-declared-stable/#http-server-duration-metric [v1.23.0 (stable)](https://github.com/open-telemetry/semantic-conventions/blob/v1.23.0/docs/http/).
