minor #26683 [Validator] Add Japanese translation (issei-m)

This PR was submitted for the 3.4 branch but it was merged into the 2.7 branch instead (closes #26683).

Discussion
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[Validator] Add Japanese translation

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | no
| New feature?  | no <!-- don't forget to update src/**/CHANGELOG.md files -->
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- don't forget to update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

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Commits
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360298df29 [Validator] Add Japanese translation

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

@@ -310,6 +310,14 @@
                 <source>This value does not match the expected {{ charset }} charset.</source>
                 <target>この値は予期される文字コード（{{ charset }}）と異なります。</target>
             </trans-unit>
+            <trans-unit id="81">
+                <source>This is not a valid Business Identifier Code (BIC).</source>
+                <target>有効なSWIFTコードではありません。</target>
+            </trans-unit>
+            <trans-unit id="82">
+                <source>Error</source>
+                <target>エラー</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>