Update changelog for merges

CHANGELOG.md

@@ -4,9 +4,14 @@
   Removed after_created and added test to recipe_spec
 * [**Tim Sogard**](https://github.com/drags):
   Reset $HOME to user running chef-client when running via sudo
+* [**Torben Knerr**](https://github.com/tknerr):
+  Allow for the chef gem installation to succeed without elevated privileges #3126
+
 * [pr#3162](https://github.com/chef/chef/pull/3162): Add
   `--minimal-ohai` flag to client/solo/apply; restricts ohai to only the
   bare minimum of plugins.
+* Ensure link's path attribute works with delayed #3130
+* gem_package, chef_gem should not shell out to using https://rubygems.org #2867
 
 ## 12.2.1
 * [Issue 3153](https://github.com/chef/chef/issues/3153): Fix bug where unset HOME would cause chef to crash