Merge pull request #415 from mlr-org/dependabot/github_actions/JamesIves/github-pages-deploy-action-4.6.4

Bump JamesIves/github-pages-deploy-action from 4.6.3 to 4.6.4

Author: bblodfon

.github/workflows/pkgdown.yml

@@ -44,7 +44,7 @@ jobs:
 
       - name: Deploy
         if: github.event_name != 'pull_request'
-        uses: JamesIves/github-pages-deploy-action@v4.6.3
+        uses: JamesIves/github-pages-deploy-action@v4.6.4
         with:
           clean: false
           branch: gh-pages