[Messenger] Use real memory usage for --memory-limit

src/Symfony/Component/Messenger/Worker/StopWhenMemoryUsageIsExceededWorker.php

@@ -33,7 +33,7 @@ class StopWhenMemoryUsageIsExceededWorker implements WorkerInterface
         $this->memoryLimit = $memoryLimit;
         $this->logger = $logger;
         $this->memoryResolver = $memoryResolver ?: function () {
-            return \memory_get_usage();
+            return \memory_get_usage(true);
         };
     }