src: replace snapshot flag with affects_annotation

[watilde]

No description provided.

[nodejs-github-bot]

Review requested:

• @nodejs/startup

[codecov]

Codecov Report

❌ Patch coverage is 55.55556% with 44 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.64%. Comparing base (2428030) to head (2dc4329).
⚠️ Report is 44 commits behind head on main.

Files with missing lines	Patch %	Lines
src/node_options.cc	40.54%	21 Missing and 1 partial ⚠️
src/node_snapshotable.cc	58.82%	18 Missing and 3 partials ⚠️
src/node_options.h	85.71%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##             main   #62930    +/-   ##
========================================
  Coverage   89.63%   89.64%            
========================================
  Files         706      706            
  Lines      219219   219468   +249     
  Branches    42004    42074    +70     
========================================
+ Hits       196499   196740   +241     
+ Misses      14622    14621     -1     
- Partials     8098     8107     +9     

Files with missing lines	Coverage Δ
src/node.h	92.30% <ø> (ø)
src/node_options-inl.h	83.39% <100.00%> (-0.31%)	⬇️
src/node_options.h	97.57% <85.71%> (-0.42%)	⬇️
src/node_snapshotable.cc	68.70% <58.82%> (-0.81%)	⬇️
src/node_options.cc	75.28% <40.54%> (-1.33%)	⬇️

... and 45 files with indirect coverage changes

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