fs: avoid computing time coefficient constants in runtime

[LiviaMedeiros]

Fixes: #58726 ¹

These constants can be precomputed.

Footnotes

1. even though it's not a Node.js bug ↩

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.13%. Comparing base (d6dade5) to head (12f5b70).
Report is 9 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #58728   +/-   ##
=======================================
  Coverage   90.12%   90.13%           
=======================================
  Files         637      637           
  Lines      188121   188121           
  Branches    36892    36891    -1     
=======================================
+ Hits       169552   169557    +5     
+ Misses      11313    11311    -2     
+ Partials     7256     7253    -3     

Files with missing lines	Coverage Δ
lib/internal/fs/utils.js	99.69% <100.00%> (ø)

... and 25 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/67487/

[nodejs-github-bot]

Landed in f2e99c5