Add changelog

Author: anchitj

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Added `set_sasl_credentials`. This new method (on the Producer, Consumer, and AdminClient) allows modifying the stored
   SASL PLAIN/SCRAM credentials that will be used for subsequent (new) connections to a broker (#1511).
+- Added changes to generate wheels for all supported Python versions on Linux ARM64 (#1496).
 
 
 ## v2.0.2