minor symfony#53319 Added missing Estonian validator translations (Ahto Türkson)

This PR was merged into the 5.4 branch.

Discussion
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Added missing Estonian validator translations

| Q             | A
| ------------- | ---
| Branch?       | 5.4 <!-- see below -->
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Issues        | Fix symfony#53024  <!-- prefix each issue number with "Fix #", no need to create an issue if none exists, explain below instead -->
| License       | MIT

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Commits
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f5f2d0a Added missing Estonian validator translations

Author: nicolas-grekas

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

@@ -426,6 +426,14 @@
                 <source>Using hidden overlay characters is not allowed.</source>
                 <target>Peidetud tähemärkide kasutamine pole lubatud.</target>
             </trans-unit>
+            <trans-unit id="110">
+                <source>The extension of the file is invalid ({{ extension }}). Allowed extensions are {{ extensions }}.</source>
+                <target>Faili laiend on vigane ({{ extension }}). Lubatud laiendid on {{ extensions }}.</target>
+            </trans-unit>
+            <trans-unit id="111">
+                <source>The detected character encoding is invalid ({{ detected }}). Allowed encodings are {{ encodings }}.</source>
+                <target>Tuvastatud teksti kodeering on vigane ({{ detected }}). Lubatud kodeeringud on {{ encodings }}.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>