Deploy using GITHUB_TOKEN

Author: ConorMacBride

.github/workflows/docs.yml

@@ -50,7 +50,7 @@ jobs:
       - name: Upload to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
         with:
-          deploy_key: ${{ secrets.GHPAGES_DEPLOY_KEY }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs/_build/html
           exclude_assets: '.buildinfo'
           destination_dir: ./latest