add multiarch

.github/workflows/build.yml

@@ -9,10 +9,10 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-13, macos-14]
-        arch: [x86_64, arm64] # Specify architectures (x86_64 = AMD, arm64 = ARM)
+        arch: [x86_64, aarch64] # Use 'aarch64' for Linux ARM builds, 'x86_64' for AMD/Intel
         exclude:
           - os: windows-latest
-            arch: arm64  # Windows doesn't support arm64 builds yet
+            arch: aarch64  # Windows doesn't support aarch64
 
     steps:
       - uses: actions/checkout@v4
@@ -26,9 +26,9 @@ jobs:
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
         env:
-          CIBW_ARCHS: ${{ matrix.arch }}  # Specify which architecture to build for
+          CIBW_ARCHS: ${{ matrix.arch }}  # Use aarch64 for ARM on Linux
 
       - uses: actions/upload-artifact@v4
         with:
           name: cibw-wheels-${{ matrix.os }}-${{ matrix.arch }}-${{ strategy.job-index }}
-          path: ./wheelhouse/*.whl
+          path: ./wheelhouse/*.whl