Merge branch '6.4' into 7.2

* 6.4:
  [Validator] Fix incorrect assertion in `WhenTest`
  [DoctrineBridge] Fix deprecation with `doctrine/dbal` ^4.3

Author: nicolas-grekas

Tests/Constraints/WhenTest.php

@@ -73,7 +73,7 @@ public function testAttributes()
 
         [$barConstraint] = $metadata->properties['bar']->getConstraints();
 
-        self::assertInstanceOf(When::class, $fooConstraint);
+        self::assertInstanceOf(When::class, $barConstraint);
         self::assertSame('false', $barConstraint->expression);
         self::assertEquals([
             new NotNull([