oraculum: try setting route back to append

We changed the global value here to none because we are behind proxies,
but some applications expected the duplicate headers. This seems to be
another one that does.

Signed-off-by: Kevin Fenzi <kevin@scrye.com>

playbooks/openshift-apps/oraculum.yml

@@ -95,6 +95,8 @@
     path: "/oidc_callback"
     serviceport: 8080-tcp
     servicename: oraculum-api-endpoint
+    annotations:
+         haproxy.router.openshift.io/set-forwarded-headers: append
 
   - role: openshift/route
     app: oraculum