minor #19209 Add attribute configuration block for reusable locator (alamirault)

This PR was merged into the 6.4 branch.

Discussion
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Add attribute configuration block for reusable locator

Show how too use reusable locator with attributes

https://symfony.com/doc/6.4/service_container/service_subscribers_locators.html#reusing-a-service-locator-in-multiple-services

Commits
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7c1a4b4 Add attribute configuration block for reusable locator

Author: OskarStark

service_container/service_subscribers_locators.rst

@@ -570,6 +570,23 @@ Now you can inject the service locator in any other services:
 
 .. configuration-block::
 
+    .. code-block:: php-attributes
+
+        // src/CommandBus.php
+        namespace App;
+
+        use Psr\Container\ContainerInterface;
+        use Symfony\Component\DependencyInjection\Attribute\Autowire;
+
+        class CommandBus
+        {
+            public function __construct(
+                #[Autowire(service: 'app.command_handler_locator')]
+                private ContainerInterface $locator,
+            ) {
+            }
+        }
+
     .. code-block:: yaml
 
         # config/services.yaml