minor #38266 update missing translations arabic (zairigimad)

This PR was submitted for the master branch but it was merged into the 3.4 branch instead.

Discussion
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update missing translations arabic

| Q             | A
| ------------- | ---
| Branch?       | master for features / 3.4, 4.4 or 5.1 for bug fixes <!-- see below -->
| Bug fix?      | yes/no
| New feature?  | yes/no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | yes/no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License       | MIT
| Doc PR        | symfony/symfony-docs#... <!-- required for new features -->
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Commits
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76a47b3 update missing translations arabic

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

@@ -382,6 +382,10 @@
                 <source>Each element of this collection should satisfy its own set of constraints.</source>
                 <target>يجب أن يفي كل عنصر من عناصر هذه المجموعة بمجموعة القيود الخاصة به.</target>
             </trans-unit>
+            <trans-unit id="99">
+                <source>This value is not a valid International Securities Identification Number (ISIN).</source>
+                <target> صالح (ISIN) هذه القيمة ليست رقم تعريف الأوراق المالية الدولي.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>