replaced hardcoded value with variable

defaults/main.yaml

@@ -4,7 +4,7 @@ workflows:
 #   - group_deleted
 #   - user-group_created
 #   - user-group-role_created
-   - group_created
+#   - group_created
 #   - invitation-accepted
 #   - user-group_deleted
 #   - user-group-role_deleted
@@ -26,7 +26,7 @@ workflows:
 #   - ghn_client_delete
 #   - ghn_client_remove_from_contexts
 #   - ghn_client_remove_from_context
-#   - jupyterhub_add_serveroptions_to_context
+   - jupyterhub_add_serveroptions_to_context
 
 keycloak_host: "https://accounts.dev.d4science.org/auth"
 keycloak: "{{ keycloak_host }}/realms"

templates/jupyterhub_add_serveroptions_to_context.json.j2

@@ -166,7 +166,7 @@
                 "audience": "${init.output.result.encoded_context}",
                 "grant_type": "urn:ietf:params:oauth:grant-type:uma-ticket",
                 "client_id": "orchestrator",
-                "client_secret": "0cf47f19-0db3-45f3-90ee-ed580eaba177"
+                "client_secret": "{{ keycloak_auth }}"
               }
             },
             "type": "SIMPLE",