Add note about other kinds of OTLP telemetry

Author: gggritso

docs/concepts/otlp/index.mdx

@@ -12,6 +12,7 @@ Sentry can ingest [OpenTelemetry](https://opentelemetry.io) traces directly via
 - Span events are not supported. All span events are dropped during ingestion.
 - Span links are partially supported. We ingest and display span links, but they cannot be searched, filtered, or aggregated. Links are are shown in the [Trace View](https://docs.sentry.io/concepts/key-terms/tracing/trace-view/).
 - Array attributes are partially supported. We ingest and display array attributes, but they cannot be searched, filtered, or aggregated. Array attributes are shown in the [Trace View](https://docs.sentry.io/concepts/key-terms/tracing/trace-view/).
+- Sentry does not support ingesting OTLP metrics or OTLP logs.
 
 The easiest way to configure an OpenTelemetry exporter is with environment variables. You'll need to configure the trace endpoint URL, as well as the authentication headers. Set these variables on the server where your application is running.