Update repo url for release

Author: ilg-ul

releng/org.eclipse.epp.config/parent/pom.xml

@@ -47,8 +47,10 @@
     <!-- Embedded CDT specifics -->
     <embedcdt.packageFolderName>2020-09</embedcdt.packageFolderName>
     <embedcdt.version>5.1.2</embedcdt.version>
-    <!-- <embedcdt.repository>https://download.eclipse.org/embed-cdt/releases/${embedcdt.version}/p2/</embedcdt.repository> -->
-    <embedcdt.repository>https://download.eclipse.org/embed-cdt/updates/neon-test/</embedcdt.repository>
+    <!-- Use /releases/${embedcdt.version}/p2/ for final the releases and /updates/neon-test/ for develop packages -->
+    <embedcdt.repository>https://download.eclipse.org/embed-cdt/releases/${embedcdt.version}/p2/</embedcdt.repository>
+    <!-- <embedcdt.repository>https://download.eclipse.org/embed-cdt/updates/neon-test/</embedcdt.repository> -->
+
   </properties>
 
   <prerequisites>