lib: use primordials in freelist.js

[Ayoub-Mabrouk]

Replace native methods with primordials for consistency and security. This improves protection against prototype pollution.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.53%. Comparing base (05d6b9b) to head (06d364e).
⚠️ Report is 79 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #61208      +/-   ##
==========================================
- Coverage   88.53%   88.53%   -0.01%     
==========================================
  Files         703      703              
  Lines      208599   208615      +16     
  Branches    40229    40252      +23     
==========================================
+ Hits       184685   184692       +7     
- Misses      15939    15941       +2     
- Partials     7975     7982       +7     

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

... and 28 files with indirect coverage changes

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