Remove support for python <3.11 (#1273)

Python 3.11 ships with latest Debian Bookworm. 
pypy is not that widely used with this library based on statistics. It could be added back when pypy supports python 3.11.

kasa/smart/smartmodule.py

@@ -4,9 +4,7 @@ from __future__ import annotations
 
 import logging
 from collections.abc import Awaitable, Callable, Coroutine
-from typing import TYPE_CHECKING, Any
-
-from typing_extensions import Concatenate, ParamSpec, TypeVar
+from typing import TYPE_CHECKING, Any, Concatenate, ParamSpec, TypeVar
 
 from ..exceptions import DeviceError, KasaException, SmartErrorCode
 from ..module import Module