docs: add changelog

Author: kenjis

user_guide_src/source/changelogs/v4.4.5.rst

@@ -30,6 +30,9 @@ Deprecations
 Bugs Fixed
 **********
 
+- **QueryBuilder:** Fixed a bug that the ``updateBatch()`` method does not work
+  due to type errors on PostgreSQL. See the note in :ref:`update-from-data`.
+
 See the repo's
 `CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_
 for a complete list of bugs fixed.

user_guide_src/source/database/query_builder.rst

@@ -1107,6 +1107,8 @@ $builder->updateBatch()
 .. note:: Since v4.3.0, the second parameter ``$index`` of ``updateBatch()`` has
     changed to ``$constraints``. It now accepts types array, string, or ``RawSql``.
 
+.. _update-from-data:
+
 Update from Data
 ^^^^^^^^^^^^^^^^