fix(ci): remplacer action inexistante par git push direct vers HF

huggingface/huggingface-spaces-push n'existe pas.
Utilise git push direct vers https://huggingface.co/spaces/Ma-Ri-Ba-Ku/scriptorium-ai
avec authentification via HF_TOKEN (secret GitHub).

https://claude.ai/code/session_018woyEHc8HG2th7V4ewJ4Kg

.github/workflows/deploy-hf.yml

@@ -23,7 +23,10 @@ jobs:
           fetch-depth: 0        # historique complet pour le push HF
 
       - name: Push to HuggingFace Space
-        uses: huggingface/huggingface-spaces-push@v0
-        with:
-          repo-name: Ma-Ri-Ba-Ku/scriptorium-ai
-          hf-token: ${{ secrets.HF_TOKEN }}
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        run: |
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git config user.name "github-actions[bot]"
+          git remote add hf https://Ma-Ri-Ba-Ku:${HF_TOKEN}@huggingface.co/spaces/Ma-Ri-Ba-Ku/scriptorium-ai
+          git push hf main --force