Fix: Lifespan events were not relayed to AlephApp

Problem: @app.on_event("startup") would not be triggered on uvicorn startup

Solution: Relay "lifespan" events from the AlephApp to the http_app

Author: MHHukiewitz

src/aleph/sdk/vm/app.py

@@ -62,7 +62,7 @@ async def __call__(
         receive: Optional[Callable[[], Awaitable[Any]]] = None,
         send: Optional[Callable[[Dict[Any, Any]], Awaitable[Any]]] = None,
     ):
-        if scope["type"] in ("http", "websocket"):
+        if scope["type"] in ("http", "websocket", "lifespan"):
             if self.http_app:
                 await self.http_app(scope=scope, receive=receive, send=send)
             else: