docs: Update changelog for 3.0

[lenny-goodell]

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• I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
• I am not introducing a new dependency (add notes below if you are)
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[codecov-commenter]

Codecov Report

Merging #122 (8caa510) into main (923d492) will not change coverage.
The diff coverage is n/a.

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@@           Coverage Diff           @@
##             main     #122   +/-   ##
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  Coverage   83.62%   83.62%           
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  Files           3        3           
  Lines         287      287           
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  Hits          240      240           
  Misses         25       25           
  Partials       22       22