Added upgrade note

Author: sclubricants

user_guide_src/source/installation/upgrade_430.rst

@@ -160,6 +160,8 @@ Breaking Enhancements
 - The return type of ``CodeIgniter\Database\Database::loadForge()`` has been changed to ``Forge``. Extending classes should likewise change the type.
 - The return type of ``CodeIgniter\Database\Database::loadUtils()`` has been changed to ``BaseUtils``. Extending classes should likewise change the type.
 - The second parameter ``$index`` of ``BaseBuilder::updateBatch()`` has changed to ``$constraints``. It now accepts types array, string, or ``RawSql``. Extending classes should likewise change types.
+- The ``$set`` parameter of ``BaseBuilder::insertBatch()`` and ``BaseBuilder::updateBatch()`` now accepts an object of a single row of data. Extending classes should likewise change the type.
+- The third parameter ``$index`` of ``BaseBuilder::_updateBatch()`` has changed to ``$values``, and the parameter type has changed to ``array``. Extending classes should likewise change the type.
 
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