Update changelog for v2.1.34

Author: github-actions[bot]

CHANGELOG.md

@@ -1,6 +1,6 @@
 # CodeQL Action Changelog
 
-## [UNRELEASED]
+## 2.1.34 - 25 Nov 2022
 
 - Update default CodeQL bundle version to 2.11.4. [#1391](https://github.com/github/codeql-action/pull/1391)
 - Fixed a bug where some the `init` action and the `analyze` action would have different sets of experimental feature flags enabled. [#1384](https://github.com/github/codeql-action/pull/1384)