Update CHANGELOG.md for 12.4.3

[ci skip]

CHANGELOG.md

@@ -2,6 +2,14 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 12.4.3
+
+### Fixed (2 changes)
+
+- Only enable protected paths for POST requests. !19184
+- Fix Bitbucket Cloud importer pull request state. !19734
+
+
 ## 12.4.2
 
 ### Fixed (10 changes)

changelogs/unreleased/sh-fix-bitbucket-importer-pr-state.yml

----
-title: Fix Bitbucket Cloud importer pull request state
-merge_request: 19734
-author:
-type: fixed

changelogs/unreleased/sh-fix-protected-paths.yml

----
-title: Only enable protected paths for POST requests
-merge_request: 19184
-author:
-type: fixed