need to copy the jars before resources phase

[skip ci]

Author: mkristian

lib/pom.rb

@@ -97,7 +97,7 @@ def to_pathname
 
   # TODO no hardcoded group-ids
   plugin :dependency, :useRepositoryLayout => true, :outputDirectory => 'ruby/stdlib', :excludeGroupIds => 'rubygems', :includeScope => :provided do
-    execute_goal 'copy-dependencies', :phase => 'prepare-package'
+    execute_goal 'copy-dependencies', :phase => 'generate-resources'
   end
 
   execute :install_gems, :'initialize' do |ctx|

lib/pom.xml

@@ -230,7 +230,7 @@
         <artifactId>maven-dependency-plugin</artifactId>
         <executions>
           <execution>
-            <phase>prepare-package</phase>
+            <phase>generate-resources</phase>
             <goals>
               <goal>copy-dependencies</goal>
             </goals>