Update PyPi release to run only once

Author: codingjoe

.github/workflows/release.yml

@@ -1,14 +1,16 @@
 name: PyPi Release
 
-on: [release]
+on:
+  release:
+    types: [published]
 
 jobs:
-  build:
+  PyPi:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-python@v1
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
     - name: Install Python dependencies
       run: python -m pip install --upgrade pip setuptools wheel twine
     - name: Build dist packages