Update changelog
Picks up a few things that got accidentally skipped.
## Unreleased
#### Merged Pull Requests
-- Fix studio tests [#7174](https://github.com/habitat-sh/habitat/pull/7174) ([smacfarlane](https://github.com/smacfarlane))
+- [CI] Add "staging" area into our promotion scheme for manual testing [#7185](https://github.com/habitat-sh/habitat/pull/7185) ([christophermaier](https://github.com/christophermaier))
<!-- latest_release -->
<!-- release_rollup since=0.88.0 -->
- fixes using a svc_user on windows [#7049](https://github.com/habitat-sh/habitat/pull/7049) ([mwrock](https://github.com/mwrock)) <!-- 0.89.6 -->
#### Merged Pull Requests
-- Fix studio tests [#7174](https://github.com/habitat-sh/habitat/pull/7174) ([smacfarlane](https://github.com/smacfarlane)) <!-- 0.90.6 -->
+- [CI] Add "staging" area into our promotion scheme for manual testing [#7185](https://github.com/habitat-sh/habitat/pull/7185) ([christophermaier](https://github.com/christophermaier)) <!-- 0.90.7 -->
+- sup: remove palaver dependency [#7178](https://github.com/habitat-sh/habitat/pull/7178) ([stevendanna](https://github.com/stevendanna)) <!-- 0.90.7 -->
+- make: fix fmt target [#7179](https://github.com/habitat-sh/habitat/pull/7179) ([stevendanna](https://github.com/stevendanna)) <!-- 0.90.7 -->
+- Fix studio tests [#7174](https://github.com/habitat-sh/habitat/pull/7174) ([smacfarlane](https://github.com/smacfarlane)) <!-- 0.90.7 -->
- hab pkg bulkupload origin creation option [#7133](https://github.com/habitat-sh/habitat/pull/7133) ([jeremymv2](https://github.com/jeremymv2)) <!-- 0.90.6 -->
- Trigger finish release pipeline as post_commit action of promotion to current [#7164](https://github.com/habitat-sh/habitat/pull/7164) ([smacfarlane](https://github.com/smacfarlane)) <!-- 0.90.5 -->
- Kubernetes docs update, removing references to the Operator and replacing with the Bastion pattern [#7144](https://github.com/habitat-sh/habitat/pull/7144) ([irvingpop](https://github.com/irvingpop)) <!-- 0.90.5 -->
