feat/check-v2 clean up

.github/workflows/publish-to-pypi.yml

@@ -9,10 +9,12 @@ on:
     push:
       branches:
         - main
+    pull_request:
+      branches:
+        - main
 
 jobs:
   build:
-    if: ${{ github.event.pull_request.merged }}
     name: test the package build
     runs-on: ubuntu-latest
     permissions:
@@ -31,7 +33,6 @@ jobs:
           pip3 install .
           pip3 install ".[dep]"
   build-n-publish:
-    if: ${{ github.event.pull_request.merged }}
     needs: build
     name: Build and publish Python 🐍 distributions 📦 to PyPI
     runs-on: ubuntu-latest
@@ -53,6 +54,13 @@ jobs:
         run: python -m build
 
       - name: Publish release distributions to PyPI
+        if: |
+        ${{(
+            github.event_name == 'pull_request'
+            && github.head_ref == '/refs/heads/main'
+            && github.event.action == 'closed'
+            && github.event.pull_request.merged == true
+          )}}
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           skip-existing: true