docs(changelog): version 1.12.4 [citest_skip]

Update changelog and .README.html for version 1.12.4

Signed-off-by: Rich Megginson <rmeggins@redhat.com>

Author: richm

CHANGELOG.md

@@ -1,6 +1,13 @@
 Changelog
 =========
 
+[1.12.4] - 2026-06-26
+--------------------
+
+### Bug Fixes
+
+- fix: ensure firewalld is responding to requests after starting (#365)
+
 [1.12.3] - 2026-06-24
 --------------------