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 88.55%. Comparing base (05d6b9b) to head (2413d7a).
⚠️ Report is 454 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #61198      +/-   ##
==========================================
+ Coverage   88.53%   88.55%   +0.01%     
==========================================
  Files         703      703              
  Lines      208599   208613      +14     
  Branches    40229    40243      +14     
==========================================
+ Hits       184685   184728      +43     
+ Misses      15939    15894      -45     
- Partials     7975     7991      +16     

Files with missing lines	Coverage Δ
lib/internal/util/comparisons.js	99.71% <100.00%> (+<0.01%)	⬆️

... and 31 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/71532/

[trivikr]

The benchmarks can be run with CATEGORY=assert and FILTER=deepequal once the CI is fixed in nodejs/build#4374

[aduh95]

Landed in cc60845