v8: fix missing callback in heap utils destroy

[BridgeAR]

This fixes the v8.getHeapSnapshot() calls not properly being destroyed. Pipeline calls would for example not properly end without the callback being in place.

Thanks to @ronag to look into this!

[Ethan-Arrowood]

just fix lint issue and this is good to go 👍

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.10%. Comparing base (d6dade5) to head (df175e2).
Report is 60 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #58846      +/-   ##
==========================================
- Coverage   90.12%   90.10%   -0.03%     
==========================================
  Files         637      640       +3     
  Lines      188121   188447     +326     
  Branches    36892    36967      +75     
==========================================
+ Hits       169552   169800     +248     
- Misses      11313    11348      +35     
- Partials     7256     7299      +43     

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

... and 90 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/67672/