Fix GitHub Actions deployment permissions

.github/workflows/pkgdown.yaml

@@ -16,6 +16,8 @@ jobs:
     # Only restrict concurrency for non-PR jobs
     concurrency:
       group: pkgdown-${{ github.event_name != 'pull_request' || github.run_id }}
+    permissions:
+      contents: write
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
 
@@ -37,10 +39,11 @@ jobs:
         run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
         shell: Rscript {0}
 
-      - name: Deploy to GitHub pages 🚀
+      - name: Deploy to GitHub pages
         if: github.event_name != 'pull_request'
-        uses: JamesIves/github-pages-deploy-action@v4.4.1
+        uses: JamesIves/github-pages-deploy-action@v4
         with:
           clean: false
           branch: gh-pages
-          folder: docs 
+          folder: docs
+          token: ${{ secrets.GITHUB_TOKEN }}