Restore building from staging repo

Change-Id: I8355fe25057c51063187b7e312df59ca8663449c
diff --git a/releng/org.eclipse.epp.config/parent/pom.xml b/releng/org.eclipse.epp.config/parent/pom.xml
index f09aaaf..b0b4fb0 100644
--- a/releng/org.eclipse.epp.config/parent/pom.xml
+++ b/releng/org.eclipse.epp.config/parent/pom.xml
@@ -43,7 +43,7 @@
     <!-- Name release directory on download.eclipse.org -->
     <RELEASE_DIR>202205051200</RELEASE_DIR>
     <!-- SimRel Repo to build from -->
-    <SIMREL_REPO>https://download.eclipse.org/releases/2022-06/202205061000/</SIMREL_REPO>
+    <SIMREL_REPO>https://download.eclipse.org/staging/2022-06</SIMREL_REPO>
     <!-- ID used to generate the filename of the packages -->
     <eclipse.simultaneous.release.id>${RELEASE_NAME}-${RELEASE_MILESTONE}</eclipse.simultaneous.release.id>
     <!-- Timestamp used in various places, e.g. the about dialog (see about.mappings) -->