Bump Java client

References #114

Author: acogoluegnes

pom.xml

@@ -41,9 +41,9 @@
   </scm>
 
   <properties>
-    <rabbitmq.version>4.8.3</rabbitmq.version>
-    <slf4j-api.version>1.7.25</slf4j-api.version>
-    <httpclient.version>4.5.6</httpclient.version>
+    <rabbitmq.version>4.11.2</rabbitmq.version>
+    <slf4j-api.version>1.7.26</slf4j-api.version>
+    <httpclient.version>4.5.9</httpclient.version>
     <junit.version>4.12</junit.version>
     <mockito-core.version>2.28.2</mockito-core.version>
     <awaitility.version>3.1.6</awaitility.version>