chore: disable underscore on macOS

[alfonsograziano]

Checklist

• npm test passes
• contribution guidelines followed
  here

Underscore is constantly failing on Node.js v18.x:

• https://ci.nodejs.org/view/Node.js-citgm/job/citgm-smoker/3310/nodes=osx1015/testReport/(root)/citgm/underscore_v1_13_6/
• https://ci.nodejs.org/view/Node.js-citgm/job/citgm-smoker/3309/nodes=osx1015/testReport/(root)/citgm/underscore_v1_13_6/
• https://ci.nodejs.org/view/Node.js-citgm/job/citgm-smoker/3300/nodes=osx1015/testReport/(root)/citgm/underscore_v1_13_6/

This PR will disable underscore for now.

@jashkenas you are listed as the maintainer of this package, can you please take a look at the issue and evaluate if is a legitimate issue or a false positive from citgm that we can fix? :)
By running citgm underscore I'm currently not able to reproduce the issue on my (macOS) machine.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.33%. Comparing base (18cf7df) to head (e7af49b).
Report is 27 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1008   +/-   ##
=======================================
  Coverage   96.33%   96.33%           
=======================================
  Files          28       28           
  Lines        2181     2181           
=======================================
  Hits         2101     2101           
  Misses         80       80           

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