minor #38796 Added missing translations for Russian (mamontovdmitriy)

This PR was squashed before being merged into the 3.4 branch.

Discussion
----------

Added missing translations for Russian

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #38759
| License       | MIT
| Doc PR        | symfony/symfony-docs#... <!-- required for new features -->

Hello!
I added missing translations for Russian.

Commits
-------

6a9e274a10 Added missing translations for Russian

Author: derrabus

Resources/translations/validators.ru.xlf

@@ -382,6 +382,10 @@
                 <source>Each element of this collection should satisfy its own set of constraints.</source>
                 <target>Каждый элемент этой коллекции должен удовлетворять своему собственному набору ограничений.</target>
             </trans-unit>
+            <trans-unit id="99">
+                <source>This value is not a valid International Securities Identification Number (ISIN).</source>
+                <target>Значение не является корректным международным идентификационным номером ценных бумаг (ISIN).</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>