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

.github/release-drafter.yml

@@ -0,0 +1,45 @@
+name-template: 'v$RESOLVED_VERSION'
+tag-template: 'v$RESOLVED_VERSION'
+categories:
+  - title: 'Features'
+    labels:
+      - 'feature'
+      - 'enhancement'
+  - title: 'Bug Fixes'
+    labels:
+      - 'fix'
+      - 'bugfix'
+      - 'bug'
+  - title: 'Maintenance'
+    label: 'chore'
+autolabeler:
+  - label: 'chore'
+    files:
+      - '*.md'
+    branch:
+      - '/docs{0,1}\/.+/'
+  - label: 'bug'
+    branch:
+      - '/fix\/.+/'
+    title:
+      - '/fix/i'
+  - label: 'enhancement'
+    branch:
+      - '/feature\/.+/'
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+change-title-escapes: '\<*_&' # You can add # and @ to disable mentions, and add ` to disable code blocks.
+version-resolver:
+  major:
+    labels:
+      - 'major'
+  minor:
+    labels:
+      - 'minor'
+  patch:
+    labels:
+      - 'patch'
+  default: minor
+template: |
+  ## Changes
+
+  $CHANGES

.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