### New Features
- new `file::Index::highest_offset()` method
With it it's simpler to figure out from where to read trailing
checksums.
### New Features (BREAKING)
- Use `[u8;4]` as chunk id
This allows to remove the additional string to describe the ids, which
are usually ascii anyway.
### Commit Statistics
- 5 commits contributed to the release.
- 2 commits where understood as [conventional](https://www.conventionalcommits.org).
- 1 unique issue was worked on: #279
### Commit Details
* **#279**
- update changelog (099f055)
- Use `[u8;4]` as chunk id (9d9f2ee)
- new file::Index::highest_offset() method (d0fab1e)
- refactor (7a9e628)
- remove unnecessary test dependencies (463afcc)