Update path for publishing public UDFs

script/publish_public_udfs

@@ -4,5 +4,5 @@
 
 cd "$(dirname "$0")/.."
 
-exec python3 -m bigquery_etl.udf.publish_udfs --project_id=mozfun --udf-dirs=mozfun \
+exec python3 -m bigquery_etl.udf.publish_udfs --project_id=mozfun --udf-dirs=sql/mozfun \
     --dependency_dir=lib/ --gcs-bucket=mozfun --public=True "$@"