Update changelog for v4.36.2

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]
+## 4.36.2 - 04 Jun 2026
 
 - Update default CodeQL bundle version to [2.25.6](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.6). [#3948](https://github.com/github/codeql-action/pull/3948)