replace tuples with lists

Author: adwk67

stacks/airflow/airflow.yaml

@@ -432,8 +432,8 @@ data:
         template_fields = ("application_name", "namespace")
         # See https://github.com/stackabletech/spark-k8s-operator/pull/460/files#diff-d737837121132af6b60f50279a78464b05dcfd06c05d1d090f4198a5e962b5f6R371
         # Unknown is set immediately so it must be excluded from the failed states.
-        FAILURE_STATES = ("Failed",)
-        SUCCESS_STATES = ("Succeeded",)
+        FAILURE_STATES = ["Failed"]
+        SUCCESS_STATES = ["Succeeded"]
 
         # The Stackable Spark operator sets spark.kubernetes.{driver,executor}.podTemplateContainerName,
         # so the main container is called "spark" in both driver and executor pods.