update changelog with latest changes

Author: Release bot

CHANGELOG.md

@@ -5,6 +5,9 @@
 # Unreleased
 
 
+<a name="v1.29.1"></a>
+## [v1.29.1] - 2022-09-13
+
 <a name="v1.29.0"></a>
 ## [v1.29.0] - 2022-09-13
 ## Bug Fixes
@@ -2316,7 +2319,8 @@
 * Merge pull request [#5](https://github.com/awslabs/aws-lambda-powertools-python/issues/5) from jfuss/feat/python38
 
 
-[Unreleased]: https://github.com/awslabs/aws-lambda-powertools-python/compare/v1.29.0...HEAD
+[Unreleased]: https://github.com/awslabs/aws-lambda-powertools-python/compare/v1.29.1...HEAD
+[v1.29.1]: https://github.com/awslabs/aws-lambda-powertools-python/compare/v1.29.0...v1.29.1
 [v1.29.0]: https://github.com/awslabs/aws-lambda-powertools-python/compare/v1.28.0...v1.29.0
 [v1.28.0]: https://github.com/awslabs/aws-lambda-powertools-python/compare/v1.27.0...v1.28.0
 [v1.27.0]: https://github.com/awslabs/aws-lambda-powertools-python/compare/v1.26.7...v1.27.0