0.3.0 release prep

[samaloney]

• render changelog

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.63%. Comparing base (4eaaa91) to head (b767f82).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #98   +/-   ##
=======================================
  Coverage   89.63%   89.63%           
=======================================
  Files           8        8           
  Lines         955      955           
=======================================
  Hits          856      856           
  Misses         99       99           

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