Merge pull request #3355 from Ace-Tang/avoid-start-hang

Add timeout in load shim v2

runtime/v2/shim.go

@@ -100,6 +100,8 @@ func loadShim(ctx context.Context, bundle *Bundle, events *exchange.Exchange, rt
 		events:  events,
 		rtTasks: rt,
 	}
+	ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
 	if err := s.Connect(ctx); err != nil {
 		return nil, err
 	}