SwiftWin32: further adopt static libraries on 5.7+

[compnerd]

Swift 5.7.0 enables static libraries for non-standard library cases. Use this to extract the CoreGraphics interfaces out of the primary library.

[codecov]

Codecov Report

Attention: 9 lines in your changes are missing coverage. Please review.

Comparison is base (778e896) 27.07% compared to head (213c4ab) 27.25%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #776      +/-   ##
==========================================
+ Coverage   27.07%   27.25%   +0.18%     
==========================================
  Files         129      129              
  Lines        7403     7412       +9     
==========================================
+ Hits         2004     2020      +16     
+ Misses       5399     5392       -7     

Files	Coverage Δ
...perty-Based Animations/CubicTimingParameters.swift	100.00% <ø> (ø)
...erty-Based Animations/SpringTimingParameters.swift	100.00% <ø> (ø)
...d Haptics/ViewControllerContextTransitioning.swift	0.00% <ø> (ø)
...tion/Configurations/ListContentConfiguration.swift	0.00% <ø> (ø)
Sources/SwiftWin32/AutoLayout/LayoutGuide.swift	0.00% <ø> (ø)
...rces/SwiftWin32/CoreGraphics/AffineTransform.swift	100.00% <ø> (ø)
Sources/SwiftWin32/CoreGraphics/Point.swift	66.66% <ø> (ø)
Sources/SwiftWin32/CoreGraphics/Rect.swift	86.07% <ø> (ø)
Sources/SwiftWin32/CoreGraphics/Size.swift	50.00% <ø> (ø)
Sources/SwiftWin32/CoreGraphics/Vector.swift	86.36% <ø> (ø)
... and 37 more