Remove async-timeout dependency

It is supplied by default in Python 3.11

elkm1_lib/connection.py

@@ -4,7 +4,7 @@
 
 import asyncio
 import logging
-import sys
+from asyncio import timeout as asyncio_timeout
 from collections import deque
 from functools import reduce
 from typing import Any, NamedTuple
@@ -15,12 +15,6 @@
 from .notify import Notifier
 from .util import parse_url
 
-if sys.version_info[:2] < (3, 11):
-    from async_timeout import timeout as asyncio_timeout  # pyright: ignore
-else:
-    from asyncio import timeout as asyncio_timeout  # pyright: ignore
-
-
 LOG = logging.getLogger(__name__)
 HEARTBEAT_TIME = 120
 MESSAGE_RESPONSE_TIME = 5.0

pyproject.toml

@@ -15,7 +15,6 @@ classifiers = [
 ]
 dependencies = [
     "pyserial-asyncio-fast >= 0.14",
-    "async-timeout >= 4.0",
 ]
 
 [tool.uv]