use native 3.8 install

.github/workflows/build-wheels.yml

@@ -324,6 +324,14 @@ jobs:
  if: ${{ inputs.include-debug-info-for-macos }}
  run: echo "INCLUDE_DSYM=1" >> $GITHUB_ENV
 
+ # Install native version of Python 3.8 on arm64
+ # The default Python 3.8 install used by cibuildwheel is for x86_64
+ # https://cibuildwheel.pypa.io/en/stable/faq/#macos-building-cpython-38-wheels-on-arm64
+ - uses: actions/setup-python@v5
+ with:
+ python-version: 3.8
+ if: runner.os == 'macOS' && runner.arch == 'ARM64'
+
  - name: Build wheel
  uses: pypa/[email protected]
  env: