minor symfony#53208 [Validator] Add missing arabic translation (Amr3zzat)

This PR was merged into the 5.4 branch.

Discussion
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[Validator] Add missing arabic translation

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? |  no
| Issues        | Fix symfony#53011
| License       | MIT

 As a native Arabic speaker, I've added the missing translation in the Validator

Commits
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f91133d [Validator] Add missing arabic translation

Author: nicolas-grekas

src/Symfony/Component/Validator/Resources/translations/validators.ar.xlf

@@ -426,6 +426,10 @@
                 <source>Using hidden overlay characters is not allowed.</source>
                 <target>لا يسمح باستخدام أحرف التراكب المخفية.</target>
             </trans-unit>
+            <trans-unit id="110">
+                <source>The extension of the file is invalid ({{ extension }}). Allowed extensions are {{ extensions }}.</source>
+                <target>امتداد الملف غير صحيح ({{ extension }}). الامتدادات المسموح بها هي {{ extensions }}.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>