Update CHANGELOG.md to reflect the promotion of 9.3.8

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

CHANGELOG.md

@@ -1,22 +1,19 @@
-<!-- latest_release 9.3.8 -->
-## [v9.3.8](https://github.com/chef/chefspec/tree/v9.3.8) (2024-07-16)
-
-#### Merged Pull Requests
-- Prevent logger 1.6 from being used. [#11](https://github.com/chef/chefspec/pull/11) ([tpowell-progress](https://github.com/tpowell-progress))
+<!-- latest_release -->
 <!-- latest_release -->
 
-<!-- release_rollup since=9.3.7 -->
-### Changes not yet released to rubygems.org
+<!-- release_rollup -->
+<!-- release_rollup -->
+<!-- latest_stable_release -->
+## [v9.3.8](https://github.com/chef/chefspec/tree/v9.3.8) (2024-07-16)
 
 #### Merged Pull Requests
-- Prevent logger 1.6 from being used. [#11](https://github.com/chef/chefspec/pull/11) ([tpowell-progress](https://github.com/tpowell-progress)) <!-- 9.3.8 -->
-<!-- release_rollup -->
+- Prevent logger 1.6 from being used. [#11](https://github.com/chef/chefspec/pull/11) ([tpowell-progress](https://github.com/tpowell-progress))
 <!-- latest_stable_release -->
+
 ## [v9.3.7](https://github.com/chef/chefspec/tree/v9.3.7) (2024-02-07)
 
 #### Merged Pull Requests
 - Pin rspec-expectations due to private API change [#6](https://github.com/chef/chefspec/pull/6) ([joshuariojas](https://github.com/joshuariojas))
-<!-- latest_stable_release -->
 
 ## [v9.3.6](https://github.com/chef/chefspec/tree/v9.3.6) (2023-05-08)