feat: produce one macOS wheel with all tags

Signed-off-by: Henry Schreiner <[email protected]>

.github/workflows/build.yml

@@ -72,7 +72,7 @@ jobs:
             artifact_suffix: "windows_x86"
             use_qemu: false
           - os: macos-14
-            arch: "arm64 universal2 x86_64"
+            arch: "universal24"
             build: ""
             artifact_suffix: "macos"
             use_qemu: false
@@ -102,7 +102,6 @@ jobs:
         uses: pypa/[email protected]
         env:
           CIBW_ARCHS: "${{ matrix.arch }}"
-          CIBW_ARCHS_MACOS: "x86_64 universal2 arm64"
           CIBW_BUILD: "cp39-${{ matrix.build }}*"
 
       - uses: actions/upload-artifact@v4

pyproject.toml

@@ -24,6 +24,7 @@ dynamic = ["version"]
 
 [tool.scikit-build]
 wheel.py-api = "py2.py3"
+wheel.expand-macos-universal-tags = true
 metadata.version.provider = "scikit_build_core.metadata.setuptools_scm"
 sdist.include = ["src/swig/_version.py"]
 wheel.install-dir = "swig/data"