test: unskip snapshot reproducibility test

[joyeecheung]

See if the v8 14.6 upgrade has fixed it.

On a side note, debian will require reproducible builds in their packages https://lists.debian.org/debian-devel-announce/2026/05/msg00001.html

[joyeecheung]

cc @panva @sxa

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.05%. Comparing base (78bbee3) to head (84a53dc).
⚠️ Report is 26 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #63307      +/-   ##
==========================================
+ Coverage   90.04%   90.05%   +0.01%     
==========================================
  Files         713      714       +1     
  Lines      225003   225247     +244     
  Branches    42536    42584      +48     
==========================================
+ Hits       202606   202852     +246     
- Misses      14177    14179       +2     
+ Partials     8220     8216       -4     

see 47 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/73455/ 💚

[sxa]

The reproducibility test job hasn't been showing any problems, although it's still configured to build with gcc. Have you been seeing problems pre-14.6?
Either way I'm happy to have this test unskipped :-)

[joyeecheung]

It was skipped in #62808 likely because there was a v8 bug that got triggered only on shared builds (this tends to be dependent on the shape the memory graph happen to be), but not on other Linux builds, which was likely fixed in the 14.6 upgrade (probably by https://chromium-review.googlesource.com/c/v8/v8/+/7666243)

[aduh95]

Landed in 61d66c3