Fix artifact upload

Author: Ezibenroc

.github/workflows/buildwheels.yml

@@ -31,7 +31,7 @@ jobs:
       - uses: actions/upload-artifact@v4
         with:
           path: dist/*.tar.gz
-          overwrite: true
+          name: cibw-sdist
 
   build_wheels:
     name: Build wheels on ${{ matrix.os }}
@@ -62,17 +62,17 @@ jobs:
       - uses: actions/upload-artifact@v4
         with:
           path: ./wheelhouse/*.whl
+          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
 
   upload_pypi:
     needs: [build_wheels, build_sdist]
     runs-on: ubuntu-latest
     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/gh-action-pypi-publish@v1.5.0
         # Deploy releases to pypi.