Update changelog for v3.28.14

Author: github-actions[bot]

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 See the [releases page](https://github.com/github/codeql-action/releases) for the relevant changes to the CodeQL CLI and language packs.
 
-## [UNRELEASED]
+## 3.28.14 - 07 Apr 2025
 
 - Update default CodeQL bundle version to 2.21.0. [#2838](https://github.com/github/codeql-action/pull/2838)