Ctroy replace dataval (#1790)

* Run replacement data validation job daily at 8 AM

* update link

* turn underscore into dash

dags/search_term_data_validation_v2.py

@@ -48,6 +48,6 @@ with DAG(
             "--data_validation_reporting_destination",
             "moz-fx-data-shared-prod.search_terms_derived.search_term_data_validation_reports_v1",
         ],
-        docker_image="gcr.io/moz-fx-data-airflow-prod-88e0/search-term-data-validation_v2_docker_etl:latest",
+        docker_image="gcr.io/moz-fx-data-airflow-prod-88e0/search-term-data-validation-v2_docker_etl:latest",
         dag=dag,
     )