ci: update ruby version

[q9f]

3.3 was released last year

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.84%. Comparing base (b437f59) to head (07b6fd6).
Report is 1 commits behind head on main.

❗ Current head 07b6fd6 differs from pull request most recent head 490437b

Please upload reports for the commit 490437b to get more accurate results.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #271   +/-   ##
=======================================
  Coverage   95.84%   95.84%           
=======================================
  Files          77       77           
  Lines        4477     4478    +1     
=======================================
+ Hits         4291     4292    +1     
  Misses        186      186           

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