Fixed sonar issue.

Signed-off-by: Kai Zimmermann <kai.zimmermann@bosch-si.com>

hawkbit-dmf-amqp/src/main/java/org/eclipse/hawkbit/amqp/ConfigurableRabbitListenerContainerFactory.java

@@ -42,6 +42,9 @@ public class ConfigurableRabbitListenerContainerFactory extends SimpleRabbitList
     }
 
     @Override
+    // Exception squid:UnusedProtectedMethod - called by
+    // AbstractRabbitListenerContainerFactory
+    @SuppressWarnings("squid:UnusedProtectedMethod")
     protected void initializeContainer(final SimpleMessageListenerContainer instance) {
         super.initializeContainer(instance);
         instance.setDeclarationRetries(amqpProperties.getDeclarationRetries());