update CHANGELOG

CHANGELOG.md

@@ -42,6 +42,8 @@ BUG FIXES:
     value in the generated inventory [GH-6209]
   - provisioners/ansible: don't show the `ansible-playbook` command when verbose
     option is an empty string
+  - provisioners/puppet: apply provisioner uses correct default manifests
+      with environments. [GH-5987]
   - core: only append `access_token` when it does not exist in the URL
     [GH-6395, GH-6534]