Merge branch '6.4' into 7.0

* 6.4:
  [FrameworkBundle][Validator] Replace annotation by attribute
  [Validator] Add annotation in Constraint
  [Lock] Add some missing return types in tests
  [Clock] Throw `DateMalformedStringException`/`DateInvalidTimeZoneException` when appropriate
  [VarExporter] Remove unused test files
  [FrameworkBundle] Remove unused test file
  [DependencyInjection] Remove unused test file
  [DomCrawler] Added argument `$default` to method `Crawler::attr()`
  [HttpKernel] Fix missing Request in RequestStack for StreamedResponse
  Psalm: Ignore UnusedClass errors
  fix(console): avoid multiple new line when message already ends with a new line

Author: nicolas-grekas

Constraint.php

@@ -46,6 +46,8 @@ abstract class Constraint
 
     /**
      * Maps error codes to the names of their constants.
+     *
+     * @var array<string, string>
      */
     protected const ERROR_NAMES = [];
 

Tests/Constraints/Fixtures/ChildA.php

@@ -15,16 +15,14 @@
 
 class ChildA
 {
-    /**
-     * @Assert\Valid
-     * @Assert\NotNull
-     * @Assert\NotBlank
-     */
+    #[Assert\Valid]
+    #[Assert\NotNull]
+    #[Assert\NotBlank]
     public $name;
     /**
      * @var ChildB
-     * @Assert\Valid
-     * @Assert\NotNull
      */
+    #[Assert\Valid]
+    #[Assert\NotNull]
     public $childB;
 }

Tests/Constraints/Fixtures/ChildB.php

@@ -15,15 +15,13 @@
 
 class ChildB
 {
-    /**
-     * @Assert\Valid
-     * @Assert\NotBlank
-     */
+    #[Assert\Valid]
+    #[Assert\NotBlank]
     public $name;
     /**
      * @var ChildA
-     * @Assert\Valid
-     * @Assert\NotBlank
      */
+    #[Assert\Valid]
+    #[Assert\NotBlank]
     public $childA;
 }