JustJ 17.0.0 has been released - use it

Change-Id: I2cb151af756a5fe6ec3b49043c7352d2fa8386bc
diff --git a/releng/org.eclipse.epp.config/parent/pom.xml b/releng/org.eclipse.epp.config/parent/pom.xml
index 0692d30..5169b1f 100644
--- a/releng/org.eclipse.epp.config/parent/pom.xml
+++ b/releng/org.eclipse.epp.config/parent/pom.xml
@@ -72,7 +72,7 @@
     </repository>
     <repository>
       <id>justj</id>
-      <url>https://download.eclipse.org/justj/jres/17/updates/milestone/latest</url>
+      <url>https://download.eclipse.org/justj/jres/17/updates/release/17.0.0/</url>
       <layout>p2</layout>
     </repository>
   </repositories>