util: use primordials consistently in inspect.js

[Ayoub-Mabrouk]

Replace native array methods (.push, .pop, .splice, .slice) withprimordials (ArrayPrototypePush, ArrayPrototypePop, ArrayPrototypeSplice,ArrayPrototypeSlice) throughout lib/internal/util/inspect.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 88.52%. Comparing base (05d6b9b) to head (2a3009f).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #61196      +/-   ##
==========================================
- Coverage   88.53%   88.52%   -0.02%     
==========================================
  Files         703      703              
  Lines      208599   208599              
  Branches    40229    40228       -1     
==========================================
- Hits       184685   184658      -27     
- Misses      15939    15953      +14     
- Partials     7975     7988      +13     

Files with missing lines	Coverage Δ
lib/internal/util/inspect.js	99.60% <100.00%> (-0.04%)	⬇️

... and 30 files with indirect coverage changes

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[avivkeller]

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