Add changelog note

github-actions[bot] · github-actions[bot] · commit 4beccf73ad93 · 2024-10-02T23:58:17.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,7 +6,7 @@ Note that the only difference between `v2` and `v3` of the CodeQL Action is the
 
 ## [UNRELEASED]
 
-No user facing changes.
+- Update default CodeQL bundle version to 2.19.1. [#2519](https://github.com/github/codeql-action/pull/2519)
 
 ## 3.26.10 - 30 Sep 2024
 
