minor #38784 [Validator] Added missing Spanish translation (TavoNiievez)

This PR was merged into the 3.4 branch.

Discussion
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[Validator] Added missing Spanish translation

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | Part of #38710 and #38764
| License       | MIT
| Doc PR        | N/A

Commits
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26f3963bb2 [Validator] Added missing Spanish translations.

Author: derrabus

Resources/translations/validators.es.xlf

@@ -382,6 +382,10 @@
                 <source>Each element of this collection should satisfy its own set of constraints.</source>
                 <target>Cada elemento de esta colección debería satisfacer su propio conjunto de restricciones.</target>
             </trans-unit>
+            <trans-unit id="99">
+                <source>This value is not a valid International Securities Identification Number (ISIN).</source>
+                <target>Este valor no es un número de identificación internacional de valores (ISIN) válido.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>