Avoid unnecessry qualifier bumps when only the pom changes

Change-Id: Ie16dcb76d07b9e2f51cce4bc79970c3e46bbad7d
Signed-off-by: Mat Booth <mat.booth@redhat.com>
diff --git a/pom.xml b/pom.xml
index 7e25a87..0ccfe17 100644
--- a/pom.xml
+++ b/pom.xml
@@ -381,6 +381,10 @@
             </sourceReferences>
             <timestampProvider>jgit</timestampProvider>
             <jgit.dirtyWorkingTree>warning</jgit.dirtyWorkingTree>
+            <jgit.ignore>
+              pom.xml
+              .polyglot.build.properties
+            </jgit.ignore>
           </configuration>
         </plugin>
         <plugin>