upgarding spark-connect-client to spark 4.1.2

Author: Maleware

stacks/jupyterhub-pyspark-hdfs/spark_connect.yaml

@@ -30,7 +30,7 @@ spec:
   image:
     # Using an image that includes scikit-learn (among other things)
     # because this package needs to be available on the executors.
-    custom: oci.stackable.tech/stackable/spark-connect-client:4.1.1-stackable0.0.0-dev
+    custom: oci.stackable.tech/stackable/spark-connect-client:4.1.2-stackable0.0.0-dev
     productVersion: 4.1.2
     pullPolicy: IfNotPresent
   args: