docs: update CHANGELOG

Author: cybex-dev

CHANGELOG.md

@@ -1,3 +1,8 @@
+## Next release
+
+* Fix: [iOS] show caller number or interpretted client name for performStartCallAction
+* Docs: update CHANGELOG
+
 ## 0.3.2+1
 
 * Fix: [iOS] Missed call notifications now show caller name (or full number) on title, and "Missed call" text in body. [Issue #299](https://github.com/cybex-dev/twilio_voice/issues/299)