JCR-4695: set baseline comparisonVersion to latest stable (2.20.3)

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/trunk@1890694 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/jackrabbit-parent/pom.xml b/jackrabbit-parent/pom.xml
index 10e0cbe..49394e4 100644
--- a/jackrabbit-parent/pom.xml
+++ b/jackrabbit-parent/pom.xml
@@ -381,7 +381,7 @@
               </goals>
               <configuration>
                 <!-- this should refer to the latest stable release -->
-                <comparisonVersion>2.20.2</comparisonVersion>
+                <comparisonVersion>2.20.3</comparisonVersion>
               </configuration>
             </execution>
           </executions>