[WIP] Ruby 4.0 support

[gnalh]

No description provided.

[trunk-io]

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.09%. Comparing base (84fcb1f) to head (56d77ff).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #957      +/-   ##
==========================================
+ Coverage   80.81%   81.09%   +0.27%     
==========================================
  Files          66       66              
  Lines       14081    14081              
==========================================
+ Hits        11380    11419      +39     
+ Misses       2701     2662      -39     

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[trunk-staging-io]

     

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[gnalh]

Removed this so I could test the release without actually releasing the gem.