bug #30773 [DependencyInjection] Fix hardcoded hotPathTagName (jderusse)

This PR was merged into the 3.4 branch.

Discussion
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[DependencyInjection] Fix hardcoded hotPathTagName

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | none
| License       | MIT
| Doc PR        | none

replace the hardcoded string by the injected variable

Commits
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67fb8ef Fix hardcoded hotPathTagName

src/Symfony/Component/EventDispatcher/DependencyInjection/RegisterListenersPass.php

@@ -106,7 +106,7 @@ public function process(ContainerBuilder $container)
                 $definition->addMethodCall('addListener', $args);
 
                 if (isset($this->hotPathEvents[$args[0]])) {
-                    $container->getDefinition($id)->addTag('container.hot_path');
+                    $container->getDefinition($id)->addTag($this->hotPathTagName);
                 }
             }
             $extractingDispatcher->listeners = [];