minor #30251 #30172 Add the missing validation translations for the Luxembourgish … (Evrard Boulou)
minor #30251 #30172 Add the missing validation translations for the Luxembourgish … (Evrard Boulou)

This PR was squashed before being merged into the 3.4 branch (closes #30251).

Discussion
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#30172 Add the missing validation translations for the Luxembourgish …

…locale

| Q             | A
| ------------- | ---
| Branch?       | master for features / 3.4 up to 4.2 for bug fixes <!-- see below -->
| Bug fix?      | yes
| New feature?  | no <!-- don't forget to update src/**/CHANGELOG.md files -->
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- don't forget to update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->
| Fixed tickets | #30172  <!-- #-prefixed issue number(s), if any -->
| License       | MIT
| Doc PR        | symfony/symfony-docs#... <!-- required for new features -->

Add the missing validation translations for the Luxembourgish locale

Commits
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b0be36648f #30172 Add the missing validation translations for the Luxembourgish …

symfony/Validator