context.send(...) should be context.createProducer().send(...) in "Example using the simplified API and injection"

[coursar]

https://github.com/jakartaee/messaging/blob/9f7fde2838fd9ebb8e366ce116890728b7f3c1ff/spec/src/main/asciidoc/messaging-spec.adoc?plain=1#L5830-L5832

Should be:

public void sendMessageNew(String body) {
    context.createProducer().send(dataQueue, body);
}