tools: update gyp-next to 0.21.1

[nodejs-github-bot]

This is an automated update of gyp-next to 0.21.1.

[nodejs-github-bot]

Review requested:

• @nodejs/gyp

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.79%. Comparing base (83893bb) to head (bb5a12f).
⚠️ Report is 9 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #61528      +/-   ##
==========================================
+ Coverage   89.78%   89.79%   +0.01%     
==========================================
  Files         672      672              
  Lines      203809   203809              
  Branches    39183    39182       -1     
==========================================
+ Hits       182980   183002      +22     
+ Misses      13166    13136      -30     
- Partials     7663     7671       +8     

see 32 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/71054/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/71071/