Bug: Can't override Translations Package Files / Keys

[element-code]

Describe the bug
When using the translations package, you can't override the validation messages, for example.

CodeIgniter 4 version
4.0.3

Affected module(s)
CodeIgniter\Language

Expected behavior, and steps to reproduce if appropriate
require codeigniter4/translations, try override any key in App/Translations/[lang]/Validation.php.