CLOUDSTACK-7679: bump up the RabbitMQ AMQP java client version from
2.8.7 to 3.3.5

3.3.5 is the latest stable version of AMQP client, which is also
backward comaptible. Successfully tested with updated client library.
diff --git a/plugins/event-bus/rabbitmq/pom.xml b/plugins/event-bus/rabbitmq/pom.xml
index 8002e23..ab7c267 100644
--- a/plugins/event-bus/rabbitmq/pom.xml
+++ b/plugins/event-bus/rabbitmq/pom.xml
@@ -31,7 +31,7 @@
     <dependency>
     <groupId>com.rabbitmq</groupId>
       <artifactId>amqp-client</artifactId>
-        <version>2.8.7</version>
+        <version>3.3.5</version>
     </dependency>
     <dependency>
     <groupId>org.apache.cloudstack</groupId>