ci(docs): fix deploy (#99)

Author: felangel

.github/workflows/deploy.yaml

@@ -41,7 +41,7 @@ jobs:
       - name: ☁️ Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
         with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./build
+          deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
+          publish_dir: ./docs/build
           user_name: github-actions[bot]
           user_email: 41898282+github-actions[bot]@users.noreply.github.com