Fix/docs apply spark job (#715)

* Updating spark job version and DAG syntax

* Updating more dags for airflow3

Author: Maleware

docs/modules/airflow/examples/example-configmap.yaml

@@ -12,7 +12,7 @@ data:
 
     with DAG(
         dag_id='test_airflow_dag',
-        schedule_interval='0 0 * * *',
+        schedule='0 0 * * *',
         start_date=datetime(2021, 1, 1),
         catchup=False,
         dagrun_timeout=timedelta(minutes=60),

docs/modules/airflow/examples/example-pyspark-pi.yaml

@@ -5,7 +5,7 @@ metadata:
   name: pyspark-pi
 spec:
   sparkImage:
-    productVersion: 3.5.2
+    productVersion: 3.5.7
   mode: cluster
   mainApplicationFile: local:///stackable/spark/examples/src/main/python/pi.py
   executor:

docs/modules/airflow/examples/example-spark-dag.py

@@ -29,7 +29,7 @@
 
 with DAG(  # <4>
     dag_id="sparkapp_dag",
-    schedule_interval=None,
+    schedule=None,
     start_date=datetime(2022, 1, 1),
     catchup=False,
     dagrun_timeout=timedelta(minutes=60),

examples/simple-airflow-cluster-dags-cmap.yaml

@@ -28,7 +28,7 @@ data:
 
     with DAG(
         dag_id='test_airflow_dag',
-        schedule_interval='0 0 * * *',
+        schedule='0 0 * * *',
         start_date=datetime(2021, 1, 1),
         catchup=False,
         dagrun_timeout=timedelta(minutes=60),