Upgrade parent of tools to org.apache.maven.doxia:doxia-tools:30

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia-tools/trunk@1772473 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index d6e46d8..5b29e64 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven.doxia</groupId>
     <artifactId>doxia-tools</artifactId>
-    <version>3</version>
+    <version>30</version>
     <relativePath>../../../pom/maven/doxia-tools/pom.xml</relativePath>
   </parent>