Fixed doc token and action permissions

Author: remydubois

.github/workflows/docs.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Build Sphinx docs
         run: poetry run sphinx-build -b html docs docs/_build/html
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
-          github_token: ${{ secrets.GH_PAGES_DOC_DEPLOYMENT }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs/_build/html