Make entire documentation deploy job conditional on "is not a pull re…

…quest" not just the deploy step.

.github/workflows/documentation.yml

@@ -35,6 +35,7 @@ jobs:
           name: github-pages
           path: docs/_build/html
   deploy:
+    if: github.event_name != 'pull_request'
     needs: build
     permissions:
       pages: write
@@ -45,6 +46,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Deploy to GitHub Pages
-        if: github.event_name != 'pull_request'
         id: deployment
         uses: actions/deploy-pages@v4