Bumping all parent versions to 11, to allow deployment to alternative locations.

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@668801 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index fc2bce0..56d22c3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>maven-plugins</artifactId>
     <groupId>org.apache.maven.plugins</groupId>
-    <version>10</version>
+    <version>11</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.maven.plugins</groupId>