last version of changes plugin

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/functor/trunk@1450815 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 9dbbab3..d166d9f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -210,7 +210,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-changes-plugin</artifactId>
-        <version>2.3</version>
+        <version>2.8</version>
         <inherited>false</inherited>
         <configuration>
           <issueLinkTemplate>%URL%/../%ISSUE%</issueLinkTemplate>