bug symfony#31632 [Messenger] Use "real" memory usage to honor --memory-limit (chalasr)

This PR was merged into the 4.2 branch.

Discussion
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[Messenger] Use "real" memory usage to honor --memory-limit

| Q             | A
| ------------- | ---
| Branch?       | 4.2
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | symfony#29957
| License       | MIT
| Doc PR        | n/a

At least it's consistent with what other daemon-based libraries do:
https://github.com/php-enqueue/enqueue-dev/blob/master/pkg/enqueue/Consumption/Extension/LimitConsumerMemoryExtension.php#L58
https://github.com/M6Web/DaemonBundle/blob/master/src/M6Web/Bundle/DaemonBundle/Command/DaemonCommand.php#L493

Commits
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fbfe2df [Messenger] Use real memory usage for --memory-limit

Author: fabpot

src/Symfony/Component/Messenger/Transport/Receiver/StopWhenMemoryUsageIsExceededReceiver.php

@@ -32,7 +32,7 @@ public function __construct(ReceiverInterface $decoratedReceiver, int $memoryLim
         $this->memoryLimit = $memoryLimit;
         $this->logger = $logger;
         $this->memoryResolver = $memoryResolver ?: function () {
-            return \memory_get_usage();
+            return \memory_get_usage(true);
         };
     }