Update AsTaggedItem parameters name in the file value_resolver.rst

Author: makraz

controller/value_resolver.rst

@@ -341,7 +341,7 @@ but you can set it yourself to change its ``priority`` or ``name`` attributes.
         use Symfony\Component\DependencyInjection\Attribute\AsTaggedItem;
         use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
 
-         #[AsTaggedItem(name: 'booking_id', priority: 150)]
+         #[AsTaggedItem(index: 'booking_id', priority: 150)]
         class BookingIdValueResolver implements ValueResolverInterface
         {
             // ...