chore: bump minimum supported Node.js version to 22

[umuoy1]

Bump the minimum supported Node.js version to 22.

Fixes #1749

[codecov-commenter]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 63.68%. Comparing base (a815332) to head (2b449aa).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
napi-inl.h	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1750      +/-   ##
==========================================
- Coverage   63.69%   63.68%   -0.02%     
==========================================
  Files           3        3              
  Lines        2063     2065       +2     
  Branches      730      731       +1     
==========================================
+ Hits         1314     1315       +1     
  Misses        162      162              
- Partials      587      588       +1     

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