Clean up changelog

[brynpickering]

Pre-release cleanup

Reviewer checklist:

• [ ] Test(s) added to cover contribution
• [ ] Documentation updated
• [x] Changelog updated
• [ ] Coverage maintained or improved

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (cbc5ad1) 95.76% compared to head (64fc4f8) 95.76%. Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #548 +/- ## ======================================= Coverage 95.76% 95.76% ======================================= Files 24 24 Lines 3562 3562 Branches 775 710 -65 ======================================= Hits 3411 3411 Misses 86 86 Partials 65 65 ```