AggregateServiceProvider should add the static class factory instead of self

Author: coisa

src/ServiceProvider/AggregateServiceProvider.php

@@ -61,7 +61,7 @@ public function getFactories(): array
         return array_reduce(
             $this->serviceProviders,
             static fn ($factories, $serviceProvider) => array_merge($factories, $serviceProvider->getFactories()),
-            [self::class => new ServiceFactory($this)]
+            [static::class => new ServiceFactory($this)]
         );
     }