Update docs workflow to support deployment

Renamed the "Build docs" step to "Deploy docs" and added the `GITHUB_TOKEN` environment variable for authentication. This ensures the workflow is correctly configured for deploying documentation.

.github/workflows/docs-deploy.yml

@@ -33,7 +33,9 @@ jobs:
         pip install poetry
         poetry install --with=docs --no-interaction --no-ansi
 
-    - name: Build docs
+    - name: Deploy docs
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: |
         git config --global user.name "ci-bot"
         git config --global user.email "ci-bot@puepy.dev"