[Serializer] Normalizer Callback params confusion: $innerObject should be called $attributeValue and $outerObject should be just $object

[mindaugasvcs]

symfony-docs/components/serializer.rst

Line 759 in 35e5b7d

$dateCallback = function (object $innerObject, object $outerObject, string $attributeName, ?string $format = null, array $context = []): string {

Normalizer Callback params confusion:
$innerObject should be called $attributeValue and $outerObject should be just $object.

[xabbuh]

PR welcome to improve the naming