Update CHANGELOG.md to reflect the promotion of 5.6.23

Obvious fix; these changes are the result of automation not creative thinking.

Author: chef-ci

CHANGELOG.md

@@ -1,25 +1,22 @@
 <!-- usage documentation: https://expeditor.chef.io/docs/reference/changelog/#common-changelog -->
-<!-- latest_release 5.6.23 -->
-## [v5.6.23](https://github.com/chef/chef-cli/tree/v5.6.23) (2025-12-04)
-
-#### Merged Pull Requests
-- Fixing pipeline error - windows ruby 3.3 [#308](https://github.com/chef/chef-cli/pull/308) ([nikhil2611](https://github.com/nikhil2611))
+<!-- latest_release -->
 <!-- latest_release -->
 
-<!-- release_rollup since=5.6.21 -->
-### Changes not yet released to rubygems.org
-
-#### Merged Pull Requests
-- Fixing pipeline error - windows ruby 3.3 [#308](https://github.com/chef/chef-cli/pull/308) ([nikhil2611](https://github.com/nikhil2611)) <!-- 5.6.23 -->
-- CHEF-28155 - Fixing code scanning alerts in chef-cli-5 [#306](https://github.com/chef/chef-cli/pull/306) ([nikhil2611](https://github.com/nikhil2611)) <!-- 5.6.22 -->
+<!-- release_rollup -->
 <!-- release_rollup -->
 
 <!-- latest_stable_release -->
+## [v5.6.23](https://github.com/chef/chef-cli/tree/v5.6.23) (2025-12-04)
+
+#### Merged Pull Requests
+- CHEF-28155 - Fixing code scanning alerts in chef-cli-5 [#306](https://github.com/chef/chef-cli/pull/306) ([nikhil2611](https://github.com/nikhil2611))
+- Fixing pipeline error - windows ruby 3.3 [#308](https://github.com/chef/chef-cli/pull/308) ([nikhil2611](https://github.com/nikhil2611))
+<!-- latest_stable_release -->
+
 ## [v5.6.21](https://github.com/chef/chef-cli/tree/v5.6.21) (2025-05-19)
 
 #### Merged Pull Requests
 - Updating the minitar dependency in chef-cli-5 [#290](https://github.com/chef/chef-cli/pull/290) ([nikhil2611](https://github.com/nikhil2611))
-<!-- latest_stable_release -->
 
 ## [v5.6.20](https://github.com/chef/chef-cli/tree/v5.6.20) (2025-05-12)