JCR-4824: Update antrun plugin dependency to 3.1.0

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/trunk@1903159 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/jackrabbit-parent/pom.xml b/jackrabbit-parent/pom.xml
index 17d4c46..29e453b 100644
--- a/jackrabbit-parent/pom.xml
+++ b/jackrabbit-parent/pom.xml
@@ -398,7 +398,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-antrun-plugin</artifactId>
-          <version>3.0.0</version>
+          <version>3.1.0</version>
         </plugin>
       </plugins>
     </pluginManagement>