ci(deploy): 🚀 upload wheels and sdist as GitHub release assets

.github/workflows/deploy.yml

@@ -185,3 +185,26 @@ jobs:
 
       - name: Publish to PyPI
         uses: pypa/gh-action-pypi-publish@v1.14.2
+
+  upload_release_assets:
+    name: Attach wheels and sdist to GitHub release
+    needs:
+      - build-sdist
+      - build-wheels
+    if: github.event_name == 'release' && github.event.action == 'published'
+
+    runs-on: ubuntu-26.04
+    permissions:
+      contents: write
+
+    steps:
+      - uses: actions/download-artifact@v8.0.1
+        with:
+          pattern: cibw-*
+          path: dist
+          merge-multiple: true
+
+      - name: Upload wheels and sdist to release
+        run: gh release upload "${{ github.event.release.tag_name }}" dist/* --clobber
+        env:
+          GH_TOKEN: ${{ github.token }}