docs: add missing validateData() to changelog

Author: kenjis

user_guide_src/source/changelogs/v4.2.0.rst

@@ -118,6 +118,7 @@ Commands
 Others
 ======
 
+- Added ``$this->validateData()`` in Controller. See :ref:`controller-validatedata`.
 - Content Security Policy (CSP) enhancements
     - Added the configs ``$scriptNonceTag`` and ``$styleNonceTag`` in  ``Config\ContentSecurityPolicy`` to customize the CSP placeholders (``{csp-script-nonce}`` and ``{csp-style-nonce}``)
     - Added the config ``$autoNonce`` in ``Config\ContentSecurityPolicy`` to disable the CSP placeholder replacement

user_guide_src/source/incoming/controllers.rst

@@ -102,9 +102,13 @@ the ``$rules`` array with the name of the group as defined in **app/Config/Valid
 
 .. note:: Validation can also be handled automatically in the model, but sometimes it's easier to do it in the controller. Where is up to you.
 
+.. _controller-validatedata:
+
 $this->validateData()
 =====================
 
+.. versionadded:: 4.2.0
+
 Sometimes you may want to check the controller method parameters or other custom data.
 In that case, you can use the ``$this->validateData()`` method.
 The method accepts an array of data to validate in the first parameter: