fix: sdist build include dirs

Author: william-murray1204

pyproject.toml

@@ -43,8 +43,7 @@ wheel.packages = ["stable_diffusion_cpp"]
 cmake.verbose = true
 cmake.minimum-version = "3.21"
 minimum-version = "0.5.1"
-sdist.exclude = ["assets"]
-sdist.include = ["vendor/stable-diffusion.cpp/*"]
+sdist.include = ["vendor/stable-diffusion.cpp/.git"]
 
 [tool.scikit-build.metadata.version]
 provider = "scikit_build_core.metadata.regex"