feature #18008 [Validator] Add exclude option to Cascade (alexandre-daubois)

This PR was merged into the 6.3 branch.

Discussion
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[Validator] Add `exclude` option to `Cascade`

Waiting code merge of symfony/symfony#49596

Commits
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7a1e101 [Validator] Add `exclude` option to `Cascade`

Author: OskarStark

reference/constraints/Cascade.rst

@@ -87,4 +87,16 @@ Options
 
 The ``groups`` option is not available for this constraint.
 
+``exclude``
+~~~~~~~~~~~
+
+**type**: ``array`` | ``string`` **default**: ``null``
+
+This option can be used to exclude one or more properties from the
+cascade validation.
+
+.. versionadded:: 6.3
+
+    The ``exclude`` option was introduced in Symfony 6.3.
+
 .. include:: /reference/constraints/_payload-option.rst.inc