src: tag more v8 aligned pointer slots

[legendecas]

Fixes: #60589

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/70132/

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.53%. Comparing base (bd3a202) to head (d176a07).
⚠️ Report is 36 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #60666      +/-   ##
==========================================
- Coverage   88.55%   88.53%   -0.02%     
==========================================
  Files         703      703              
  Lines      208077   208077              
  Branches    40083    40088       +5     
==========================================
- Hits       184254   184225      -29     
- Misses      15841    15884      +43     
+ Partials     7982     7968      -14     

Files with missing lines	Coverage Δ
src/stream_base-inl.h	89.33% <ø> (ø)

... and 31 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/70134/

[nodejs-github-bot]

Landed in d546e7f