Added new hfspace action for public leaderboard

.github/workflows/push_to_hfspace-action.yml

@@ -15,7 +15,11 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           fetch-depth: 0
           lfs: true
-      - name: Push to hub
+      - name: Push to hub private leaderboard space
         env:
           HF_TOKEN: ${{ secrets.HF_TOKEN }}
         run: git push https://gptxuser:$HF_TOKEN@huggingface.co/spaces/openGPT-X/leaderboard main
+      - name: Push to hub public leaderboard space
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        run: git push https://gptxuser:$HF_TOKEN@huggingface.co/spaces/openGPT-X/european-llm-leaderboard main