Update changelog

Author: simonrw

README.md

@@ -88,6 +88,7 @@ $ awslocal sns list-topics
 
 ## Change Log
 
+* 3.0.1: Using the `-v`/`--version` flag prints the cdklocal version and the version of the underlying `aws-cdk` package (if possible)
 * 3.0.0: Sanitise environment of configuration environment variables before deployment
 * 2.19.2: Fix SDK compatibility with aws-cdk versions >= 2.177.0
 * 2.19.1: Fix SDK compatibility with older CDK versions; Fix patched bucket location in TemplateURL