fix: mount volume of dags

Author: vancauwe

src/airflow/docker-compose.yaml

@@ -203,6 +203,8 @@ services:
         condition: service_completed_successfully
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
+      - ${AIRFLOW_PROJ_DIR:-.}/dags:/opt/airflow/dags
+
 
   airflow-triggerer:
     <<: *airflow-common