Merge branch '6.4' into 7.0

* 6.4:
  replace annotations with attributes

Author: xabbuh

Tests/Dummy/DummyClassOne.php

@@ -30,8 +30,7 @@ class DummyClassOne
 
     /**
      * @var DummyClassTwo|null
-     *
-     * @Assert\Valid()
      */
+    #[Assert\Valid]
     public $dummyClassTwo;
 }

Tests/Dummy/DummyClassTwo.php

@@ -30,8 +30,7 @@ class DummyClassTwo
 
     /**
      * @var DummyClassOne|null
-     *
-     * @Assert\DisableAutoMapping()
      */
+    #[Assert\DisableAutoMapping]
     public $dummyClassOne;
 }