workflows/release: fix missing artifacts downloads (#208)

Author: airwoodix

.github/workflows/release.yml

@@ -36,6 +36,7 @@ jobs:
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
+          name: release_artifacts
           path: |
             ./dist/qiskit*
             RELEASE_CHANGELOG.txt
@@ -48,6 +49,10 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
+      - name: Download release artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: release_artifacts
       - name: Create Github release
         uses: softprops/action-gh-release@v1
         with:
@@ -62,5 +67,9 @@ jobs:
       id-token: write
     runs-on: ubuntu-latest
     steps:
+      - name: Download release artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: release_artifacts
       - name: Publish to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1