Update mutateBody implementation

[Kyle-Ye]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 13 lines in your changes are missing coverage. Please review.

Project coverage is 18.21%. Comparing base (695b7a0) to head (896f997).

Files	Patch %	Lines
Sources/_OpenGraph/Attribute/OGAttribute.cpp	0.00%	7 Missing ⚠️
...es/OpenGraph/Attribute/Attribute/OGAttribute.swift	0.00%	3 Missing ⚠️
Sources/_OpenGraph/Attribute/AttributeID.hpp	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #61      +/-   ##
==========================================
- Coverage   18.23%   18.21%   -0.02%     
==========================================
  Files          49       49              
  Lines        1223     1224       +1     
==========================================
  Hits          223      223              
- Misses       1000     1001       +1     

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