Attach sources during package phase

and before verify phase where signing takes place.

Change-Id: I0e9e88e01e104a38864be9b625e399cb49ff8ef9
Signed-off-by: Arthur van Dorp <Arthur.vanDorp@bsi-software.com>
diff --git a/maven_sdk_plugin_config-master/pom.xml b/maven_sdk_plugin_config-master/pom.xml
index 4bba18e..ca53299 100644
--- a/maven_sdk_plugin_config-master/pom.xml
+++ b/maven_sdk_plugin_config-master/pom.xml
@@ -176,7 +176,7 @@
             <goals>
               <goal>jar-no-fork</goal>
             </goals>
-            <phase>verify</phase>
+            <phase>package</phase>
           </execution>
         </executions>
       </plugin>