permission: guard UDP handle adoption

[RafaelGSS]

Ensures IPC (parent -> child communication) passes by permission model checks.

[nodejs-github-bot]

Review requested:

• @nodejs/net
• @nodejs/security-wg

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.13%. Comparing base (45d6d31) to head (ec5672e).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/udp_wrap.cc	66.66%	0 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #65358      +/-   ##
==========================================
- Coverage   90.13%   90.13%   -0.01%     
==========================================
  Files         752      752              
  Lines      251872   251892      +20     
  Branches    47359    47371      +12     
==========================================
+ Hits       227033   227045      +12     
- Misses      16167    16172       +5     
- Partials     8672     8675       +3     

Files with missing lines	Coverage Δ
src/udp_wrap.h	100.00% <ø> (ø)
src/udp_wrap.cc	78.54% <66.66%> (-0.25%)	⬇️

... and 26 files with indirect coverage changes

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