Update compareValues API

[Kyle-Ye]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.

Project coverage is 15.75%. Comparing base (83bedb9) to head (f25ac9e).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
Sources/OpenGraph/Runtime/CompareValues.swift	0.00%	6 Missing ⚠️
...urces/OpenGraph/Attribute/Attribute/External.swift	0.00%	1 Missing ⚠️
...urces/OpenGraph/Attribute/Body/AttributeBody.swift	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #132   +/-   ##
=======================================
  Coverage   15.75%   15.75%           
=======================================
  Files          25       25           
  Lines         622      622           
=======================================
  Hits           98       98           
  Misses        524      524           

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