update macos version to latest and switch to corretto for testing

[jkwatson]

Corretto supports java 8 still on mac, so use that, rather than temurin for testing.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.11%. Comparing base (c67641c) to head (33b1a94).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #7841   +/-   ##
=========================================
  Coverage     90.11%   90.11%           
  Complexity     7224     7224           
=========================================
  Files           821      821           
  Lines         21809    21809           
  Branches       2136     2136           
=========================================
  Hits          19654    19654           
  Misses         1486     1486           
  Partials        669      669           

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