Issue #3456855 by TR: [10.3] Convert DataType plugin discovery to attributes

Closes #3456855

src/Plugin/DataType/IpAddressData.php

@@ -2,18 +2,19 @@
 
 namespace Drupal\typed_data\Plugin\DataType;
 
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+use Drupal\Core\TypedData\Attribute\DataType;
 use Drupal\Core\TypedData\Plugin\DataType\StringData;
 use Drupal\typed_data\TypedData\Type\IpAddressInterface;
 
 /**
  * The ip_address data type.
- *
- * @DataType(
- *   id = "ip_address",
- *   label = @Translation("IP address"),
- *   constraints = {"Ip" = {"version" = "all"}}
- * )
  */
+#[DataType(
+  id: "ip_address",
+  label: new TranslatableMarkup("IP address"),
+  constraints: ["Ip" => ["version" => "all"]]
+)]
 class IpAddressData extends StringData implements IpAddressInterface {
 
   /**