node-api: use WriteOneByteV2 in napi_get_value_string_latin1

[legendecas]

Replace usage of deprecated WriteOneByte with WriteOneByteV2.

[nodejs-github-bot]

Review requested:

• @nodejs/node-api

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.22%. Comparing base (b197355) to head (69d4597).
Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #58325      +/-   ##
==========================================
- Coverage   90.23%   90.22%   -0.01%     
==========================================
  Files         633      633              
  Lines      186818   186819       +1     
  Branches    36668    36670       +2     
==========================================
- Hits       168578   168566      -12     
- Misses      11036    11043       +7     
- Partials     7204     7210       +6     

Files with missing lines	Coverage Δ
src/js_native_api_v8.cc	76.54% <100.00%> (+0.01%)	⬆️

... and 25 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/66803/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/66830/