util: fix formatting of functions returned from getters

[gibson042]

Fixes: #64838

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.18%. Comparing base (29d183d) to head (d23a740).
⚠️ Report is 397 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #64839      +/-   ##
==========================================
+ Coverage   90.15%   90.18%   +0.02%     
==========================================
  Files         746      746              
  Lines      242764   242760       -4     
  Branches    45741    45767      +26     
==========================================
+ Hits       218857   218921      +64     
+ Misses      15418    15324      -94     
- Partials     8489     8515      +26     

Files with missing lines	Coverage Δ
lib/internal/util/inspect.js	96.93% <100.00%> (ø)

... and 45 files with indirect coverage changes

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[avivkeller]

Aside from linting, LGTM

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/75539/

[nodejs-github-bot]

Landed in a48e33f