update github workflow

Author: LemurPwned

.github/workflows/main.yml

@@ -2,14 +2,13 @@
 name: Python Package Publication
 
 on:
+  pull_request:
+    types: [closed]
+    branches: [master]
   workflow_dispatch:
     inputs:
       release-version:
         required: true
-      dry-run: 
-        required: true
-        default: true
-        type: boolean
       linux:
         type: boolean
         required: true
@@ -37,7 +36,7 @@ jobs:
         with:
           python-versions: 'cp38-cp38 cp39-cp39 cp310-cp310 cp311-cp311'
       - name: upload wheel
-        if:  ${{ !inputs.dry-run }} 
+        if: github.event.pull_request.merged == true || github.event_name == 'workflow_dispatch'
         run: |
           python -m pip install --upgrade pip 
           python -m pip install wheel setuptools twine
@@ -68,13 +67,13 @@ jobs:
           python -m pip install wheel setuptools twine
           python setup.py bdist_wheel
       - name: upload wheel
-        if:  ${{ !inputs.dry-run }} 
+        if: github.event.pull_request.merged == true || github.event_name == 'workflow_dispatch'
         run: |
           twine upload dist/*
         continue-on-error: false
 
   release-build:
-    if:  ${{ !inputs.dry-run }} 
+    if: github.event.pull_request.merged == true || github.event_name == 'workflow_dispatch'
     needs: [ linux-build, other-os-build ]
     runs-on: ubuntu-latest
     steps: