Keep RSPY_DASK_STAGING_CLUSTER_NAME in jupyter

Author: jgaucher-cs

apps/jupyterhub/values.yaml

@@ -446,6 +446,7 @@ singleuser:
   extraEnv:
     DASK_GATEWAY_ADDRESS: http://traefik-dask-gateway.dask-gateway.svc.cluster.local
     DASK_GATEWAY_PUBLIC: https://dash-dask.{{ platform_domain_name }}
+    RSPY_DASK_STAGING_CLUSTER_NAME: dask-staging
     PREFECT_API_URL: http://prefect-server.processing.svc.cluster.local:4200/api
     PREFECT_WORK_POOL_STAGING: {{ prefect3worker.staging.name }}
     PREFECT_WORK_POOL_EOPF: {{ prefect3worker.eopf.name }}