Update changelog for 8.12.0

Author: nmburgan

CHANGELOG.md

@@ -1,7 +1,15 @@
 ## Unreleased
 
+## 8.12.0
+
 * Make builds reproducible
 * Add conflicts/replaces metadata on puppet-agent
+* Update branding text to OpenVox in various commands
+* Update rexml to 3.4.1 to address CVE-2024-49761
+* Update curl to 8.12.1 to address CVE-2025-0167, CVE-2025-0665, and CVE-2025-0725, even though it should not affect OpenVox
+* Update semantic_puppet to 1.1.1 to fix a typo in a method name
+* Update Ruby to 3.2.7
+* Add support for Fedora 41 (x86_64 and aarch64)
 
 ## 8.11.0