Add LabelGroup support

[Kyle-Ye]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 34 lines in your changes missing coverage. Please review.
✅ Project coverage is 30.95%. Comparing base (78e8a28) to head (1dcb115).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
.../OpenSwiftUI/View/LabelGroup/LabelGroupStyle.swift	0.00%	17 Missing ⚠️
...nSwiftUI/View/LabelGroup/BodyLabelGroupStyle.swift	0.00%	11 Missing ⚠️
...urces/OpenSwiftUI/View/LabelGroup/LabelGroup.swift	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #603      +/-   ##
==========================================
- Coverage   30.99%   30.95%   -0.04%     
==========================================
  Files         530      533       +3     
  Lines       31782    31816      +34     
==========================================
- Hits         9851     9850       -1     
- Misses      21931    21966      +35     

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