Add OPENGRAPH_SWIFT_TOOLCHAIN support

[Kyle-Ye]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 17.75%. Comparing base (1039cd1) to head (747e47b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #88      +/-   ##
==========================================
+ Coverage   17.21%   17.75%   +0.54%     
==========================================
  Files          23       23              
  Lines         552      552              
==========================================
+ Hits           95       98       +3     
+ Misses        457      454       -3     

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[Copilot]

Copilot reviewed 1 out of 3 changed files in this pull request and generated no comments.

Files not reviewed (2)

• Package.swift: Language not supported
• Sources/OpenGraph_SPI/Runtime/OGTypeID.cpp: Language not supported