(FIX) The 'retry' module was not added to the module list in parent pom

pom.xml

@@ -151,6 +151,7 @@
         <module>eip-wire-tap</module>
         <module>eip-splitter</module>
         <module>eip-aggregator</module>
+        <module>retry</module>
     </modules>
 
     <dependencyManagement>