update github workflow

.github/workflows/hf_spaces.yml

@@ -9,11 +9,12 @@ on:
 jobs:
   sync-to-hub:
     runs-on: ubuntu-latest
+    environment: hf_spaces
     steps:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Push to hub
         env:
-          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+          HF_TOKEN: ${{ env.HF_TOKEN }}
         run: git push https://Spico:[email protected]/spaces/Spico/paper-hero main