fix: jupyterhub-pyspark-hdfs-anomaly-detection-taxi-data dev install

Author: razvan

stacks/jupyterhub-pyspark-hdfs/spark_connect.yaml

@@ -53,8 +53,9 @@ spec:
           - name: hdfs-discovery-configmap
             configMap:
               name: hdfs
-    config:
+    roleConfig:
       listenerClass: external-unstable
+    config:
       resources:
         memory:
           limit: "2Gi"