Ignore mypy warning about sqlite3.dump

Author: simonw

sqlite_utils/utils.py

@@ -5,7 +5,7 @@
 import io
 import json
 import os
-from sqlite3.dump import _iterdump as iterdump
+from sqlite3.dump import _iterdump as iterdump  # type: ignore
 from typing import cast, BinaryIO, Iterable, Optional, Tuple, Type
 
 import click