JCR-4473: set baseline comparisonVersion to latest stable (2.18.3)

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/trunk@1866140 13f79535-47bb-0310-9956-ffa450edef68

Author: reschke

Diff for: jackrabbit-parent/pom.xml

@@ -342,7 +342,7 @@
               </goals>
               <configuration>
                 <!-- this should refer to the latest stable release -->
-                <comparisonVersion>2.18.2</comparisonVersion>
+                <comparisonVersion>2.18.3</comparisonVersion>
               </configuration>
             </execution>
           </executions>