fix: restore Python 3.7 support

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

bin/update_pythons.py

@@ -24,8 +24,8 @@ from packaging.version import Version
 from rich.logging import RichHandler
 from rich.syntax import Syntax
 
+from cibuildwheel._compat.typing import Final, Literal, TypedDict
 from cibuildwheel.extra import dump_python_configurations
-from cibuildwheel.typing import Final, Literal, TypedDict
 
 log = logging.getLogger("cibw")