add to changelog

Author: pacrob

docs/CHANGELOG.md

@@ -47,6 +47,8 @@ consume cache --help
 
 ### 🧪 Test Cases
 
+- ✨ Port [calldataload](https://github.com/ethereum/tests/blob/ae4791077e8fcf716136e70fe8392f1a1f1495fb/src/GeneralStateTestsFiller/VMTests/vmTests/calldatacopyFiller.yml) and [calldatasize](https://github.com/ethereum/tests/blob/81862e4848585a438d64f911a19b3825f0f4cd95/src/GeneralStateTestsFiller/VMTests/vmTests/calldatasizeFiller.yml) tests ([#1236](https://github.com/ethereum/execution-spec-tests/pull/1236)).
+
 ## [v4.1.0](https://github.com/ethereum/execution-spec-tests/releases/tag/v4.1.0) - 2025-03-11
 
 ### 💥 Breaking Changes