docs: add changelog.

Author: spencer-tb

docs/CHANGELOG.md

@@ -57,6 +57,7 @@ Test fixtures for use by clients are available for each release on the [Github r
 - 🔀 Update `pydantic` from 2.8.2 to 2.9.2 ([#960](https://github.com/ethereum/execution-spec-tests/pull/960)).
 - ✨ Add the `eest make test` command, an interactive CLI that helps users create a new test module and function ([#950](https://github.com/ethereum/execution-spec-tests/pull/950)).
 - ✨ Add the `eest clean` command that helps delete generated files and directories from the repository ([#980](https://github.com/ethereum/execution-spec-tests/pull/980)).
+- ✨ Add framework changes for EIP-7742, required for Prague devnet-5 ([#931](https://github.com/ethereum/execution-spec-tests/pull/931)).
 
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