Bug 562908 - Populate the JustJ Git clones with initial content

Update the pipeline to publish builds to a non-test location.
diff --git a/releng/org.eclipse.justj.tools.releng/Jenkinsfile b/releng/org.eclipse.justj.tools.releng/Jenkinsfile
index 9092252..8dfcf1d 100644
--- a/releng/org.eclipse.justj.tools.releng/Jenkinsfile
+++ b/releng/org.eclipse.justj.tools.releng/Jenkinsfile
@@ -13,7 +13,7 @@
   }
 
   environment {
-    PUBLISH_LOCATION = 'sandbox-test2/tools/updates'
+    PUBLISH_LOCATION = 'sandbox/tools/updates'
   }
 
   parameters {