Merge pull request #427 from aws-solutions/release/v2.1.15

Release v2.1.15

Author: amzn-gaod

CHANGELOG.md

@@ -5,7 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-TODO: Update release date when time is known
+## [2.1.15] - 2025-08-12
+
+### Security
+
+- Upgraded vulnerable sub-packages
 
 ## [2.1.14] - 2025-06-04