Fixes to the wheel building.

.github/workflows/pypi-publish.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-20.04, macos-11] # at some point get this to work on windows-2019
+        os: [ubuntu-latest, macos-13, macos-latest] # at some point get this to work on windows-2019
 
     steps:
       - uses: actions/checkout@v4
@@ -22,13 +22,13 @@ jobs:
       - name: Build wheels
         uses: pypa/[email protected]
         env:
-          CIBW_ARCHS_MACOS: x86_64 arm64
           CIBW_ARCHS_LINUX: x86_64 # remove this later so we build for all linux archs
           CIBW_PROJECT_REQUIRES_PYTHON: ">=3.9"
           CIBW_SKIP: pp*
 
       - uses: actions/upload-artifact@v4
         with:
+          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
           path: ./wheelhouse/*.whl
 
   build_sdist:
@@ -44,6 +44,7 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
+          name: cibw-sdist
           path: dist/*.tar.gz
 
   upload_pypi:
@@ -56,10 +57,9 @@ jobs:
     steps:
       - uses: actions/download-artifact@v4
         with:
-          # unpacks default artifact into dist/
-          # if `name: artifact` is omitted, the action will create extra parent dir
-          name: artifact
+          pattern: cibw-*
           path: dist
+          merge-multiple: true
 
       - uses: pypa/[email protected]
         with: