Use more recent version of ghaction-github-pages action

Author: leonboot

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
         -v ${{ github.workspace }}:/app -w /app \
         node:lts /bin/bash -c "npm install && npx encore prod"
     - name: Publish the generated assets to GitHub Pages
-      uses: crazy-max/ghaction-github-pages@v2.2.0
+      uses: crazy-max/ghaction-github-pages@v3
       with:
         target_branch: gh-pages
         keep_history: true