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