Merge pull request #12231 from ethereum/changelogEntry

Add missing changelog entry for new Yul EVM code transform.

Author: chriseth

Changelog.md

@@ -12,6 +12,7 @@ Compiler Features:
  * SMTChecker: Report contract invariants and reentrancy properties. This can be enabled via the CLI option ``--model-checker-invariants`` or the Standard JSON option ``settings.modelChecker.invariants``.
  * Standard JSON: Accept nested brackets in step sequences passed to ``settings.optimizer.details.yulDetails.optimizerSteps``.
  * Standard JSON: Add ``settings.debug.debugInfo`` option for selecting how much extra debug information should be included in the produced EVM assembly and Yul code.
+ * Yul EVM Code Transform: Switch to new optimized code transform when compiling via Yul with enabled optimizer.
  * Yul Optimizer: Take control-flow side-effects of user-defined functions into account in various optimizer steps.