Update CHANGELOG.md

Author: rtibbles

CHANGELOG.md

@@ -4,6 +4,7 @@ List of the most important changes for each release.
 
 ## 0.8.3
 - Adds error handling in the case that an incompatible cffi version is used in with Python 3.13
+- Update Python rsa package dependency to 4.9
 
 ## 0.8.2
 - Adds support for Python 3.13