fix(event-hub): render body in Produce task

closes #128

(cherry picked from commit b105f75)

src/main/java/io/kestra/plugin/azure/eventhubs/Produce.java

@@ -188,9 +188,9 @@ Output run(final RunContext runContext, final EventHubProducerService service) t
         if (this.getFrom() instanceof String uri) {
             is = reader.get(runContext.render(uri));
         } else if (this.getFrom() instanceof Map data) {
-            is = reader.get(data);
+            is = reader.get(runContext.render(data));
         } else if (this.getFrom() instanceof List data) {
-            is = reader.get(data);
+            is = reader.get(runContext.render(data));
         } else {
             throw new IllegalArgumentException(
                 "Unsupported type for task-property `from`: " + this.getFrom().getClass().getSimpleName()