minor #39714 fix code style (xabbuh)

This PR was merged into the 5.1 branch.

Discussion
----------

fix code style

| Q             | A
| ------------- | ---
| Branch?       | 5.1
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       |
| License       | MIT
| Doc PR        |

Commits
-------

08fb696dbc fix code style

Author: xabbuh

Tests/DependencyInjection/Fixtures/php/full.php

@@ -50,7 +50,7 @@
         'fallback' => 'fr',
         'paths' => ['%kernel.project_dir%/Fixtures/translations'],
         'cache_dir' => '%kernel.cache_dir%/translations',
-        'enabled_locales' => ['fr', 'en']
+        'enabled_locales' => ['fr', 'en'],
     ],
     'validation' => [
         'enabled' => true,