new upload+download actions changed behavior wrt multiple artifacts o…

…f same name

Adjust by explicitly naming uploads and merging in downloads. It's also not possible to use download v3 for upload v4 artifacts

.github/workflows/release.yml

@@ -117,6 +117,7 @@ jobs:
       if: (!matrix.use_qemu) || fromJSON(env.USE_QEMU)
       with:
         path: ./wheelhouse/*.whl
+        name: archive_wheels_${{ matrix.os }}_${{ matrix.arch }}_${{ matrix.skip }}
 
   build-sdist:
     name: Build source distribution
@@ -137,6 +138,7 @@ jobs:
       - uses: actions/upload-artifact@v4
         with:
           path: dist/*.tar.gz
+          name: archive_sdist
 
   test-sdist:
     name: Test build from source distribution
@@ -151,9 +153,9 @@ jobs:
         with:
           python-version: '3.9'
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
-          name: artifact
+          name: archive_sdist
           path: sdist
 
       - name: Install from SDist
@@ -177,10 +179,11 @@ jobs:
     if: github.repository_owner == 'ssciwr'
 
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
-          name: artifact
+          name: archive*
           path: dist
+          merge-multiple: true
 
       - name: Upload to PyPI
         uses: pypa/[email protected]