chore(query-builder): add disableEntityChange to CHANGELOG

Author: teodosiah

CHANGELOG.md

@@ -20,6 +20,7 @@ All notable changes for each version of this project will be documented in this
     - Introduced the ability to create nested queries by specifying IN/NOT IN operators.
     - Introduced the ability to reposition condition chips by dragging or using `Arrow Up/Down`.
     - Added the `entities` property that accepts an array of `EntityType` objects describing an entity with its name and an array of fields. The `fields` input property has been deprecated and will be removed in a future version. Automatic migrations are available and will be applied on `ng update`.
+    - Added `disableEntityChange` property that can be used to disable the entity select on root level after the initial selection. Defaults to `false`.
     - Added the `canCommit`, `commit` and `discard` public methods that allows the user to save/discard the current state of the expression tree.
     - Added option to template the search value input:
     ```