Update CHANGELOG

Author: bensherred

CHANGELOG.md

@@ -2,6 +2,18 @@
 
 All notable changes to `pint-config` will be documented in this file.
 
+## v1.3.0 - 2024-03-15
+
+### What's Changed
+
+* Update config and README by @bensherred in https://github.com/red-explosion/pint-config/pull/3
+
+### New Contributors
+
+* @bensherred made their first contribution in https://github.com/red-explosion/pint-config/pull/3
+
+**Full Changelog**: https://github.com/red-explosion/pint-config/compare/v1.2.0...v1.3.0
+
 ## v1.1.0 - 2023-05-03
 
 ### What's Changed