docs: Update changelog

Author: neznaika0

user_guide_src/source/changelogs/v4.6.0.rst

@@ -200,6 +200,8 @@ Removed Deprecated Items
   ``clean_path()`` function instead.
 - **Router:** The deprecated ``CodeIgniter\Router\Exceptions\RedirectException`` has been removed. Use ``CodeIgniter\HTTP\Exceptions\RedirectException`` instead.
 - **Constants:** The deprecated constants ``EVENT_PRIORITY_*`` in has been removed. Use the class constants ``CodeIgniter\Events\Events::PRIORITY_LOW``, ``CodeIgniter\Events\Events::PRIORITY_NORMAL`` and ``CodeIgniter\Events\Events::PRIORITY_HIGH`` instead.
+- **Security:** ``Config\Security::$samesite`` has been removed. Use ``Config\Cookie::$samesite`` instead.
+- **Cookie:** Methods ``dispatch()``, ``setRawCookie()``, ``setCookie()`` in ``CodeIgniter\Cookie\CookieStore`` has been removed. They are now part of ``CodeIgniter\HTTP\ResponseTrait``.
 
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 Enhancements