Update function sig for consumer for hexkit v3

Does not include any downstream changes for that

src/nos/translators/inbound/event_sub.py

@@ -100,7 +100,7 @@ async def _handle_file_registered(self, payload: JsonObject) -> None:
         )
 
     async def _consume_validated(
-        self, *, payload: JsonObject, type_: Ascii, topic: Ascii
+        self, *, payload: JsonObject, type_: Ascii, topic: Ascii, key: Ascii
     ) -> None:
         """Consumes an event"""
         if type_ in (