Add create release step to workflow

.github/workflows/build-and-release.yaml

@@ -49,4 +49,20 @@ jobs:
           python setup.py sdist
       - uses: actions/upload-artifact@v3
         with:
-          path: ./dist/*.tar.gz
+          path: ./dist/*.tar.gz
+
+  release:
+    name: Release
+    needs: [build_wheels, build_sdist]
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: artifact
+          path: dist
+      - uses: softprops/action-gh-release@v1
+        with:
+          files: dist/*
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}