util: use primordials consistently in comparisons.js

[Ayoub-Mabrouk]

Replace native array.push() with ArrayPrototypePush in lib/internal/util/comparisons.js for consistency and security.

This improves protection against prototype pollution and aligns with the primordials pattern used throughout the codebase.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.01%. Comparing base (05d6b9b) to head (9b5d7b1).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #61198      +/-   ##
==========================================
- Coverage   88.53%   88.01%   -0.53%     
==========================================
  Files         703      703              
  Lines      208599   208599              
  Branches    40229    40143      -86     
==========================================
- Hits       184685   183595    -1090     
- Misses      15939    16970    +1031     
- Partials     7975     8034      +59     

Files with missing lines	Coverage Δ
lib/internal/util/comparisons.js	99.70% <100.00%> (ø)

... and 97 files with indirect coverage changes

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