Add additional changelog entries

CHANGELOG.md

@@ -10,6 +10,10 @@ All notable changes to this project will be documented in this file.
 - Adds ping command to iPXE build
 ### Fixes
 - NixOS working again, using images and iPXE configs that are generated upstream
+### Changes
+- Use non https repo for almalinux
+- Switch to using initrd.magic (https://github.com/ipxe/ipxe/commit/e5f02551735922eb235388bff08249a6f31ded3d)
+- Moves initrd= and cmdline values to single kernel parameter in Ansible
 
 ## [2.0.40]
 ### Added