Fix CORS config defaults.

[dlongley]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.78%. Comparing base (9880e4b) to head (e45a3bc).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #69      +/-   ##
==========================================
+ Coverage   94.77%   94.78%   +0.01%     
==========================================
  Files           3        3              
  Lines         804      806       +2     
==========================================
+ Hits          762      764       +2     
  Misses         42       42              

Files with missing lines	Coverage Δ
lib/index.js	93.60% <100.00%> (+0.01%)	⬆️

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