Fix node 20 issue on GHA CI

[Flamefire]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.64%. Comparing base (058d077) to head (b75c165).
Report is 13 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop      #45      +/-   ##
===========================================
- Coverage    98.90%   96.64%   -2.27%     
===========================================
  Files           13       13              
  Lines          366      298      -68     
===========================================
- Hits           362      288      -74     
- Misses           4       10       +6     

see 11 files with indirect coverage changes

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[jeking3]

This repo does not use 16.04 or 18.04, but the change is ok.