Resolve #3500211 "Use attributes for"

Related to #3500211

src/Plugin/FapiValidationValidator/Ipv4Validator.php

@@ -3,17 +3,20 @@
 namespace Drupal\fapi_validation\Plugin\FapiValidationValidator;
 
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+use Drupal\fapi_validation\Attribute\FapiValidationValidator;
 use Drupal\fapi_validation\FapiValidationValidatorsInterface;
 use Drupal\fapi_validation\Validator;
 
 /**
  * Fapi Validation Plugin for IPV4 validation.
- *
- * @FapiValidationValidator(
- *   id = "ipv4",
- *   error_message = "Invalid format of %field."
- * )
  */
+#[FapiValidationValidator(
+  id: 'ipv4',
+  label: new TranslatableMarkup('IPV4'),
+  description: new TranslatableMarkup('Validates input value on correct ipv4 pattern.'),
+  error_message: 'Invalid format of %field.',
+)]
 class Ipv4Validator implements FapiValidationValidatorsInterface {
 
   /**