Update CHANGELOG.md

Author: smilkuri

CHANGELOG.md

@@ -2,11 +2,8 @@
 
 ## 0.29.1 (2025-04-24)
 
-### Features
-- Created SignatureV4a JavaScript implementation ([#1319](https://github.com/smithy-lang/smithy-typescript/pull/1319))
-
-### Documentation
-- Fixed broken links for ts-ssdk related content ([#1568](https://github.com/smithy-lang/smithy-typescript/pull/1568))
+### Chores
+- Bumped version to match release of smithy-aws-typescript-codegen
 
 ## 0.29.0 (2025-04-11)