Change the default to Safe.always

[ryanhiebert]

Fix #38

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (442336b) to head (f10caaa).

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #64   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            6         6           
  Lines          188       188           
  Branches        42        42           
=========================================
  Hits           188       188           

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[tim-schilling]

I'm good with this combined with the pre-commit check.

I think the test I commented on should be cleaned up with either approach (rename test or change migration plan). I'm not worried about it though.