put back upload workflow

Author: Dou Du

.github/workflows/check-release.yml

@@ -22,3 +22,8 @@ jobs:
 
           token: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Upload Distributions
+        uses: actions/upload-artifact@v4
+        with:
+          name: jupyterlab_mol_visualizer-releaser-dist-${{ github.run_number }}
+          path: .jupyter_releaser_checkout/dist