Added changes for release 0.20.3 (#1026)

Author: ahmedetefy

CHANGELOG.md

@@ -20,6 +20,10 @@ sentry-sdk==0.10.1
 
 A major release `N` implies the previous release `N-1` will no longer receive updates. We generally do not backport bugfixes to older versions unless they are security relevant. However, feel free to ask for backports of specific commits on the bugtracker.
 
+## 0.20.3
+
+- Added scripts to support auto instrumentation of no code AWS lambda Python functions
+
 ## 0.20.2
 
 - Fix incorrect regex in craft to include wheel file in pypi release