docs(changelogs): add note for WincacheHandler bug fix

+ clarify deprecation removal of `false` type for `CacheInterface::getMetaData()`

Author: yassinedoghri

user_guide_src/source/changelogs/v4.7.0.rst

@@ -75,7 +75,7 @@ Removed Deprecated Items
 - **Text Helper:** The deprecated types in ``random_string()`` function: ``basic``, ``md5``, and ``sha1`` has been removed.
 - **BaseModel:** The deprecated method ``transformDataRowToArray()`` has been removed.
 - **CodeIgniter:** The deprecated ``CodeIgniter\CodeIgniter::resolvePlatformExtensions()`` has been removed.
-- **Cache:** The deprecated return type ``false`` for ``CodeIgniter\Cache\CacheInterface::getMetaData()`` has been removed.
+- **Cache:** The deprecated return type ``false`` for ``CodeIgniter\Cache\CacheInterface::getMetaData()`` has been replaced with ``null`` type.
 
 ************
 Enhancements
@@ -164,6 +164,7 @@ Bugs Fixed
 **********
 
 - **Cookie:** The ``CookieInterface::SAMESITE_STRICT``, ``CookieInterface::SAMESITE_LAX``, and ``CookieInterface::SAMESITE_NONE`` constants are now written in ucfirst style to be consistent with usage in the rest of the framework.
+- **Cache:** Changed ``WincacheHandler::increment()`` and ``WincacheHandler::decrement()`` to return ``bool`` instead of ``mixed``.
 
 See the repo's
 `CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_