Update changelog for v2.22.9

github-actions[bot] · github-actions[bot] · commit c6e24c94be1c · 2023-12-07T10:49:40.000Z
diff --git a/CHANGELOG.md b/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]
+## 2.22.9 - 07 Dec 2023
 
 No user facing changes.
 
