Fix artifact downloads for release

Author: wbarnha

.github/workflows/python-package.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Build artifacts
         run: python -m build
       - name: Upload built artifacts for testing
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ env.sdist-artifact }}
           # NOTE: Exact expected file names are specified here
@@ -187,11 +187,11 @@ jobs:
     environment: pypi
     if: github.event_name == 'release' && github.event.action == 'created'
     steps:
-      - name: Download the sdist artifact
-        uses: actions/download-artifact@v3
+      - name: Download the artifacts
+        uses: actions/download-artifact@v4
         with:
-          name: artifact
-          path: dist
+          name: ${{ env.sdist-artifact }}
+          path: dist/${{ env.sdist-name }}
       - name: Publish package to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with: