Update pkgdown GitHub action

Author: phgrosjean

.github/workflows/pkgdown.yaml

@@ -43,7 +43,7 @@ jobs:
 
       - name: Deploy to GitHub pages 🚀
         if: github.event_name != 'pull_request'
-        uses: JamesIves/github-pages-deploy-action@v4.5.0
+        uses: JamesIves/github-pages-deploy-action@v4.6.1
         with:
           clean: false
           branch: gh-pages