try to fix ITs on ASF Jenkins instance: add settings file

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1382241 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index c93b8c3..1de1efd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -263,6 +263,7 @@
                 </goals>
                 <configuration>
                   <localRepositoryPath>${project.build.directory}/it-repo</localRepositoryPath>
+                  <settingsFile>src/it/settings.xml</settingsFile>
                 </configuration>
               </execution>
             </executions>