Add Signal.asend and Signal.asend_robust (#1965)

Author: q0w

django-stubs/dispatch/dispatcher.pyi

@@ -23,7 +23,9 @@ class Signal:
     ) -> bool: ...
     def has_listeners(self, sender: Any = ...) -> bool: ...
     def send(self, sender: Any, **named: Any) -> list[tuple[Callable, str | None]]: ...
+    async def asend(self, sender: Any, **named: Any) -> list[tuple[Callable, str | None]]: ...
     def send_robust(self, sender: Any, **named: Any) -> list[tuple[Callable, Exception | Any]]: ...
+    async def asend_robust(self, sender: Any, **named: Any) -> list[tuple[Callable, Exception | Any]]: ...
     def _live_receivers(self, sender: Any) -> list[Callable]: ...
 
 _F = TypeVar("_F", bound=Callable[..., Any])

scripts/stubtest/allowlist_todo_django50.txt

@@ -227,10 +227,6 @@ django.db.models.sql.query.Query.build_filtered_relation_q
 django.db.models.sql.query.Query.join
 django.db.models.sql.query.Query.resolve_lookup_value
 django.db.models.sql.query.Query.setup_joins
-django.dispatch.Signal.asend
-django.dispatch.Signal.asend_robust
-django.dispatch.dispatcher.Signal.asend
-django.dispatch.dispatcher.Signal.asend_robust
 django.forms.BaseForm._html_output
 django.forms.BaseModelFormSet.save_existing
 django.forms.BoundField.get_context