- turn `entry::Stage` into an `enum`.
This way, it's much clearer what possible values are.
For performance, it also adds `Entry::stage_raw()` to avoid having
to match on a number.
### Commit Statistics
- 5 commits contributed to the release over the course of 9 calendar days.
- 26 days passed between releases.
- 1 commit was understood as [conventional](https://www.conventionalcommits.org).
- 1 unique issue was worked on: #1330
### Commit Details
* **#1330**
- Fix unread-fields warnings on latest nightly (2e06a00)
* **Uncategorized**
- Prepare changelogs prior to release (5755271)
- Merge branch 'status' (45edd2e)
- Adapt to changes in `gix-index` (1e1fce1)
- Turn `entry::Stage` into an `enum`. (a6cc781)