minor #18113 [FrameworkBundle] Make StopWorkerOnSignalsListener configurable via messenger's config (alexandre-daubois)

This PR was submitted for the 6.3 branch but it was merged into the 7.4 branch instead.

Discussion
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[FrameworkBundle] Make `StopWorkerOnSignalsListener` configurable via messenger's config

Waiting code merge of symfony/symfony#49750

Commits
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9d10fd1 [FrameworkBundle] Make `StopWorkerOnSignalsListener` configurable via messenger's config

Author: javiereguiluz

messenger.rst

@@ -879,35 +879,44 @@ configuration option:
                     - SIGINT
                     - SIGUSR1
 
+            # ...
+
     .. code-block:: xml
 
         <!-- config/packages/messenger.xml -->
         <?xml version="1.0" encoding="UTF-8" ?>
         <container xmlns="http://symfony.com/schema/dic/services"
-                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-                   xmlns:framework="http://symfony.com/schema/dic/symfony"
-                   xsi:schemaLocation="http://symfony.com/schema/dic/services
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xmlns:framework="http://symfony.com/schema/dic/symfony"
+            xsi:schemaLocation="http://symfony.com/schema/dic/services
                 https://symfony.com/schema/dic/services/services-1.0.xsd
-                http://symfony.com/schema/dic/symfony https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
+                http://symfony.com/schema/dic/symfony
+                https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
 
             <framework:config>
                 <framework:messenger>
                     <!-- ... -->
-                    <framework:stop-worker-on-signal>SIGTERM</framework:stop-worker-on-signal>
-                    <framework:stop-worker-on-signal>SIGINT</framework:stop-worker-on-signal>
-                    <framework:stop-worker-on-signal>SIGUSR1</framework:stop-worker-on-signal>
+
+                    <framework:stop-worker-on-signals signal="SIGTERM"/>
+                    <framework:stop-worker-on-signals signal="SIGINT"/>
+                    <framework:stop-worker-on-signals signal="SIGUSR1"/>
                 </framework:messenger>
             </framework:config>
         </container>
 
     .. code-block:: php
 
-        // config/packages/messenger.php
         use Symfony\Config\FrameworkConfig;
 
-        return static function (FrameworkConfig $framework): void {
-            $framework->messenger()
-                ->stopWorkerOnSignals(['SIGTERM', 'SIGINT', 'SIGUSR1']);
+        return static function (FrameworkConfig $framework) {
+            $messenger = $framework->messenger();
+
+            // ...
+
+            $messenger
+                ->stopWorkerOnSignals([\SIGTERM, \SIGINT, \SIGUSR1])
+                // ...
+            ;
         };
 
 .. versionadded:: 7.3