Update websphere-liberty:beta to September release

library/websphere-liberty

@@ -13,4 +13,4 @@ javaee7: git://github.com/WASdev/ci.docker@c424138b69111e82fbacb08fb4f18913d2e97
 8.5.5.6: git://github.com/WASdev/ci.docker@c424138b69111e82fbacb08fb4f18913d2e977fd websphere-liberty/8.5.5/developer/javaee7
 8.5.5: git://github.com/WASdev/ci.docker@c424138b69111e82fbacb08fb4f18913d2e977fd websphere-liberty/8.5.5/developer/javaee7
 latest: git://github.com/WASdev/ci.docker@c424138b69111e82fbacb08fb4f18913d2e977fd websphere-liberty/8.5.5/developer/javaee7
-beta: git://github.com/WASdev/ci.docker@c424138b69111e82fbacb08fb4f18913d2e977fd websphere-liberty/beta
+beta: git://github.com/WASdev/ci.docker@65818b1c55cce5c9eac55c8ece2c2bc97f789d9d websphere-liberty/beta