Update Apache parent pom to version 12

git-svn-id: https://svn.apache.org/repos/asf/tuscany/sca-java-2.x/trunk@1418374 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index b3940fa..8824dc5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache</groupId>
         <artifactId>apache</artifactId>
-        <version>11</version>
+        <version>12</version>
     </parent>
 
     <!-- ====================================================================== -->