docs: Fix changelog formatting

[nfelt14]

Proposed changes

Fixes the formatting in the changelog to get builds to pass.

Types of changes

What types of changes does your code introduce?
Put an x in the boxes that apply

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Functionality update (non-breaking change which updates or changes existing functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• CI/CD update (an update to the CI/CD workflows, scripts, and/or configurations)
• Documentation update (an update to enhance the user experience when reading through the docs)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• I have followed the guidelines in the CONTRIBUTING document
• I have signed the CLA
• I have checked to ensure there aren't other open Pull Requests for the same update/change
• I have created (or updated) an Issue to track the status of this update/change and updated the link in this PR description (see above in the Proposed changes section) using the wording Addresses #<issue_number>
• I have performed a self-review of my code
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• Basic linting passes locally with my changes
• I have added necessary documentation (if appropriate)
• I have updated the Changelog with a brief description of my changes

[github-actions]

Test Results (ubuntu)

path	passed	subtotal
tests/test_bump_version_in_files.py	5	5
tests/test_create_unique_testpypi_version.py	7	7
tests/test_find_unreleased_changelog_items.py	3	3
tests/test_update_development_dependencies.py	13	13
TOTAL	28	28

Link to workflow run

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (137382f) to head (8810a31).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #24   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files            4         4           
  Lines          189       189           
  Branches        39        39           
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  Hits           189       189           

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