Add release drafter and pubilsh on tag creation (#2428)

.github/workflows/ci.yml

@@ -24,4 +24,12 @@ jobs:
         run: tox
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v2.1.0
+  draft:
+    runs-on: ubuntu-latest
+    needs: test
+    if: github.ref == 'refs/heads/master'
+    steps:
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 

.github/workflows/pypi-release.yml

@@ -1,14 +1,15 @@
 name: Publish to PyPI
 on:
-  release:
-    types: [created]
+  push:
+    tags:
+      - "*"
 jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v2
         with:
           python-version: '3.x'
       - name: Install dependencies