fix: github actions

.github/workflows/sync-to-huggingface.yml

@@ -15,6 +15,11 @@ jobs:
           fetch-depth: 0
           lfs: true
 
+      - name: Debug private key
+        run: |
+          echo "Private key:"
+          echo "${{ secrets.HF_SSH_PRIVATE_KEY }}"
+
       - name: Set up SSH
         run: |
           mkdir -p ~/.ssh