src: implement Windows-1252 encoding support and update related tests

[mertcanaltin]

Alternative for this pr: #60889

this pr deleted decodeLatin1, and added Windows-1252 encoding support

problem: #60888

Thanks for repair & info detail 🙏 @ChALkeR

cc @mcollina

Fixes: #60888
Fixes: #59515
Fixes: #56542

[mertcanaltin]

I think this test type is flakky https://github.com/nodejs/node/actions/runs/19785758751/job/56691976357?pr=60893

[mcollina]

lgtm

[ChALkeR]

Are there any reasons to keep DecodeLatin1? It seems unused

[mertcanaltin]

Are there any reasons to keep DecodeLatin1? It seems unused

I removed DecodeLatin1, thanks

[codecov]

Codecov Report

❌ Patch coverage is 86.20690% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 88.56%. Comparing base (768f3ba) to head (59fd7cb).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/encoding_binding.cc	81.81%	1 Missing and 3 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #60893   +/-   ##
=======================================
  Coverage   88.56%   88.56%           
=======================================
  Files         703      703           
  Lines      208291   208302   +11     
  Branches    40169    40160    -9     
=======================================
+ Hits       184472   184482   +10     
- Misses      15831    15841   +10     
+ Partials     7988     7979    -9     

Files with missing lines	Coverage Δ
lib/internal/encoding.js	99.51% <100.00%> (ø)
src/encoding_binding.h	100.00% <ø> (ø)
src/encoding_binding.cc	80.95% <81.81%> (+1.73%)	⬆️

... and 32 files with indirect coverage changes

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