Use 'compile' phase for pulling Picard version

public/pom.xml

@@ -74,7 +74,7 @@
                 <executions>
                     <execution>
                         <id>copy-installed</id>
-                        <phase>prepare-package</phase>
+                        <phase>compile</phase>
                         <goals>
                             <goal>list</goal>
                         </goals>