Issue #3456838 by TR, AaronBauman, ankitv18: [11] Symfony deprecations in Constraint plugins

Closes #3456838

src/Plugin/Validation/Constraint/IpConstraint.php

@@ -5,6 +5,7 @@ namespace Drupal\typed_data\Plugin\Validation\Constraint;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\Core\Validation\Attribute\Constraint;
 use Symfony\Component\Validator\Constraints\Ip;
+use Symfony\Component\Validator\Constraints\IpValidator;
 
 /**
  * IP address constraint.
@@ -19,8 +20,8 @@ class IpConstraint extends Ip {
   /**
    * {@inheritdoc}
    */
-  public function validatedBy() {
-    return '\Symfony\Component\Validator\Constraints\IpValidator';
+  public function validatedBy(): string {
+    return IpValidator::class;
   }
 
 }