chore(deps) bump V8 to 12.0.267.17

[hishamhm]

• Depends on V8 binaries being uploaded to Releases by the dispatched release workflow — retrigger CI on this PR once that workflow is ready.

[codecov]

Codecov Report

Merging #482 (151f7fc) into main (72dd165) will increase coverage by 0.05941%.
The diff coverage is n/a.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main        #482         +/-   ##
===================================================
+ Coverage   90.10353%   90.16294%   +0.05940%     
===================================================
  Files             46          46                 
  Lines           9852        9881         +29     
===================================================
+ Hits            8877        8909         +32     
+ Misses           975         972          -3     

see 5 files with indirect coverage changes

Flag	Coverage Δ
unit	90.24390% <ø> (ø)
valgrind	78.17276% <ø> (+0.24101%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

[thibaultcha]

Nice! Merged with minor edits.