Merge pull request #10 from arokem/gh-only-on-pr-close

Only push to GHA when a PR is merged.

Author: arokem

.github/workflows/publish.yml

@@ -32,6 +32,7 @@ jobs:
                 # To install LaTeX to build PDF book
                 tinytex: true
             - name: Publish to GitHub Pages (and render)
+              if: github.event.pull_request.merged == true
               uses: quarto-dev/quarto-actions/publish@v2
               with:
                 target: gh-pages