docs: Changelog

Author: marioevz

docs/CHANGELOG.md

@@ -26,10 +26,11 @@ Test fixtures for use by clients are available for each release on the [Github r
 - ✨ Process: Added a Github pull request template ([#308](https://github.com/ethereum/execution-spec-tests/pull/308)).
 - ✨ Docs: Changelog updated post release ([#321](https://github.com/ethereum/execution-spec-tests/pull/321)).
 - ✨ Docs: Add [a section explaining execution-spec-tests release artifacts](https://ethereum.github.io/execution-spec-tests/main/getting_started/using_fixtures/) ([#334](https://github.com/ethereum/execution-spec-tests/pull/334)).
+- 🔀 T8N Tool: Branch used to generate the tests for Cancun is now [lightclient/go-ethereum@devnet-10](https://github.com/lightclient/go-ethereum/tree/devnet-10) ([#336](https://github.com/ethereum/execution-spec-tests/pull/336))
 
 ### 💥 Breaking Change
 
-- Fixtures now use the Mainnet Trusted Setup merged on [consensus-specs#3521](https://github.com/ethereum/consensus-specs/pull/3521)
+- Fixtures now use the Mainnet Trusted Setup merged on [consensus-specs#3521](https://github.com/ethereum/consensus-specs/pull/3521) ([#336](https://github.com/ethereum/execution-spec-tests/pull/336))
 
 ## [v1.0.5](https://github.com/ethereum/execution-spec-tests/releases/tag/v1.0.5) - 2023-09-26: 🐍🏖️ Cancun Devnet 9 Release 3