[DOXIA-601] Use parent-pom version for changes-plugin 2.12.1

- timeout problem for old version
- fetch only 100 issues fixed in current version
diff --git a/pom.xml b/pom.xml
index d60bd1b..a8fbbed 100644
--- a/pom.xml
+++ b/pom.xml
@@ -418,10 +418,9 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-changes-plugin</artifactId>
-            <version>2.9</version>
             <configuration>
               <columnNames>Type,Key,Summary,Resolution,Assignee</columnNames>
-              <maxEntries>1000</maxEntries>
+              <maxEntries>100</maxEntries>
               <onlyCurrentVersion>true</onlyCurrentVersion>
               <sortColumnNames>Key</sortColumnNames>
             </configuration>