Migrate database_sync_to_async to async def for auth.pyi functions

Author: huynguyengl99

stubs/channels/channels/auth.pyi

@@ -8,15 +8,11 @@ from django.contrib.auth.models import AnonymousUser
 from django.utils.functional import LazyObject
 
 from .consumer import _ChannelScope, _LazySession
-from .db import database_sync_to_async
 from .utils import _ChannelApplication
 
-@database_sync_to_async
-def get_user(scope: _ChannelScope) -> AbstractBaseUser | AnonymousUser: ...
-@database_sync_to_async
-def login(scope: _ChannelScope, user: AbstractBaseUser, backend: BaseBackend | None = ...) -> None: ...
-@database_sync_to_async
-def logout(scope: _ChannelScope) -> None: ...
+async def get_user(scope: _ChannelScope) -> AbstractBaseUser | AnonymousUser: ...
+async def login(scope: _ChannelScope, user: AbstractBaseUser, backend: BaseBackend | None = ...) -> None: ...
+async def logout(scope: _ChannelScope) -> None: ...
 def _get_user_session_key(session: _LazySession) -> Any: ...
 
 class UserLazyObject(AbstractBaseUser, LazyObject):