add step to upload pypi files to release

Author: samuelcolvin

.github/workflows/ci.yml

@@ -344,3 +344,11 @@ jobs:
         run: make publish-docs
         env:
           NETLIFY: ${{ secrets.netlify_token }}
+
+      - name: upload pypi files to release
+        uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: dist/*
+          tag: ${{ github.ref }}
+          file_glob: true