Adding tojson filter to example_inlet_event_extra example dag (#41873) (

#41890)

(cherry picked from commit 87a4a51)

Co-authored-by: Amogh Desai <amoghrajesh1999@gmail.com>

airflow/example_dags/example_inlet_event_extra.py

@@ -57,5 +57,5 @@ def read_dataset_event(*, inlet_events=None):
     BashOperator(
         task_id="read_dataset_event_from_classic",
         inlets=[ds],
-        bash_command="echo {{ inlet_events['s3://output/1.txt'][-1].extra }}",
+        bash_command="echo '{{ inlet_events['s3://output/1.txt'][-1].extra | tojson }}'",
     )