minor #17808 [Configuration] fixed list markup (grn-it)

This PR was submitted for the 6.2 branch but it was merged into the 5.4 branch instead.

Discussion
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[Configuration] fixed list markup

A broken list was displayed:

![image](https://user-images.githubusercontent.com/12293205/214577381-2260712a-9f76-4cc6-9d32-fc3abfbbfc8b.png)
https://symfony.com/doc/current/configuration.html

Commits
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13296be [Configuration] fixed list markup

Author: javiereguiluz

configuration.rst

@@ -20,8 +20,7 @@ directory, which has this default structure:
     │  └─ services.yaml
 
 * The ``routes.yaml`` file defines the :doc:`routing configuration </routing>`;
-* The ``services.yaml`` file configures the services of the
-:doc:`service container </service_container>`;
+* The ``services.yaml`` file configures the services of the :doc:`service container </service_container>`;
 * The ``bundles.php`` file enables/disables packages in your application;
 * The ``config/packages/`` directory stores the configuration of every package
   installed in your application.