[Sync EN] ext/reflection: Document ReflectionConstant::getAttributes() (PHP 8.5) (#5675)

[github-actions]

Commit: https://github.com/php/doc-en/commit/543f9825542891ca85581c3ac9cda5b8f01258b5
PR: https://github.com/php/doc-en/pull/5675

Nouveaux fichiers EN (pas encore traduits)

• reference/reflection/reflectionconstant/getattributes.xml