Update CHANGELOG.md with details from pull request #2042

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

CHANGELOG.md

@@ -1,15 +1,16 @@
 <!-- usage documentation: https://expeditor.chef.io/docs/reference/changelog/ -->
-<!-- latest_release 21.6.468 -->
-## [21.6.468](https://github.com/chef/chef-workstation/tree/21.6.468) (2021-06-03)
+<!-- latest_release unreleased -->
+## Unreleased
 
 #### Merged Pull Requests
-- knife configure actually creates a credentials file [#2041](https://github.com/chef/chef-workstation/pull/2041) ([tas50](https://github.com/tas50))
+- Remove the mention of the chef-vault cookbook and gem installation [#2042](https://github.com/chef/chef-workstation/pull/2042) ([tas50](https://github.com/tas50))
 <!-- latest_release -->
 
 <!-- release_rollup since=21.6.467 -->
 ### Changes not yet released to stable
 
 #### Merged Pull Requests
+- Remove the mention of the chef-vault cookbook and gem installation [#2042](https://github.com/chef/chef-workstation/pull/2042) ([tas50](https://github.com/tas50)) <!-- 21.6.468 -->
 - knife configure actually creates a credentials file [#2041](https://github.com/chef/chef-workstation/pull/2041) ([tas50](https://github.com/tas50)) <!-- 21.6.468 -->
 <!-- release_rollup -->