Update changelog for v2.1.30

Author: github-actions[bot]

CHANGELOG.md

@@ -1,6 +1,6 @@
 # CodeQL Action Changelog
 
-## [UNRELEASED]
+## 2.1.30 - 02 Nov 2022
 
 - Improve the error message when using CodeQL bundle version 2.7.2 and earlier in a workflow that runs on a runner image such as `ubuntu-22.04` that uses glibc version 2.34 and later. [#1334](https://github.com/github/codeql-action/pull/1334)