Add RedactionReasons API

[Kyle-Ye]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 2.23881% with 131 lines in your changes missing coverage. Please review.
✅ Project coverage is 29.14%. Comparing base (dbc0248) to head (af03548).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...UICore/Data/EnvironmentKeys/PrivacyRedaction.swift	0.00%	90 Missing ⚠️
...UICore/Data/EnvironmentKeys/RedactionReasons.swift	0.00%	36 Missing ⚠️
Sources/OpenSwiftUICore/Render/OpacityEffect.swift	0.00%	3 Missing ⚠️
...tUICore/Render/RendererEffect/RendererEffect.swift	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #661      +/-   ##
==========================================
- Coverage   29.26%   29.14%   -0.12%     
==========================================
  Files         573      574       +1     
  Lines       34156    34273     +117     
==========================================
- Hits         9995     9990       -5     
- Misses      24161    24283     +122     

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