Bug: issue with dependencies computeDefaults (#4271) (#4282)

* Fixed issue with dependencies computedDefaults

* update changelog

* refactoring based on feedback

* created tests for the new created methods

* organized file based on feedback

* Update CHANGELOG.md

---------

Co-authored-by: Abdallah Al-Soqatri <abdallah.al-soqatri@aspentech.com>
Co-authored-by: Heath C <51679588+heath-freenome@users.noreply.github.com>

CHANGELOG.md

@@ -16,6 +16,12 @@ should change the heading of the (upcoming) version to include a major version b
 
 -->
 
+# 5.20.2
+
+## @rjsf/utils
+
+- Fixes an issue with dependencies computeDefaults to ensure we can get the dependencies defaults [#4271](https://github.com/rjsf-team/react-jsonschema-form/issues/4271)
+
 # 5.20.1
 
 ## Dev / docs / playground