minor #18012 minor fix ci (MrYamous)

This PR was merged into the 6.2 branch.

Discussion
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minor fix ci

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731684a minor fix ci

Author: OskarStark

doctrine/events.rst

@@ -164,7 +164,7 @@ listener in the Symfony application by creating a new service for it and
 
 .. configuration-block::
 
-    .. code-block:: attribute
+    .. code-block:: php-attributes
 
         // src/App/EventListener/SearchIndexer.php
         namespace App\EventListener;