Update CI node version

[kitsuyui]

• Update CI node versions to 18, 20, 22.
  • https://nodejs.org/en/about/previous-releases
  • 22 is the latest LTS version.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.16%. Comparing base (a75f6d9) to head (f11fa2e).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #476   +/-   ##
=======================================
  Coverage   98.15%   98.16%           
=======================================
  Files          19       19           
  Lines         326      327    +1     
  Branches       54       56    +2     
=======================================
+ Hits          320      321    +1     
  Misses          6        6           

Flag	Coverage Δ
unittests	98.16% <ø> (+<0.01%)	⬆️

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