docs: small tweak to opentelemetry

The buildx builder persists across Desktop restarts. So when we start up Jaeger, we should recommend that people configure it to persist across restarts as well.

Signed-off-by: Nick Santos <nick.santos@docker.com>

docs/guides/opentelemetry.md

@@ -6,7 +6,7 @@ To capture the trace to [Jaeger](https://github.com/jaegertracing/jaeger), set
 First create a Jaeger container:
 
 ```console
-$ docker run -d --name jaeger -p "6831:6831/udp" -p "16686:16686" jaegertracing/all-in-one
+$ docker run -d --name jaeger -p "6831:6831/udp" -p "16686:16686" --restart unless-stopped jaegertracing/all-in-one
 ```
 
 Then [create a `docker-container` builder](https://docs.docker.com/engine/reference/commandline/buildx_create/)