fix: 🚑 Fix typing.TypeAliasType not present in python <3.12 (#2967)

🚑 Fix `typing.TypeAliasType` not present in python <3.12

Author: Paillat-dev

discord/commands/options.py

@@ -26,18 +26,23 @@
 
 import inspect
 import logging
+import sys
 import types
 from enum import Enum
 from typing import (
     TYPE_CHECKING,
     Literal,
     Optional,
     Type,
-    TypeAliasType,
     Union,
     get_args,
 )
 
+if sys.version_info >= (3, 12):
+    from typing import TypeAliasType
+else:
+    from typing_extensions import TypeAliasType
+
 from ..abc import GuildChannel, Mentionable
 from ..channel import (
     CategoryChannel,