add access token to github action

.github/workflows/update-leaderboard.yaml

@@ -21,6 +21,8 @@ jobs:
       - name: Generate Markdown
         run: python .github/scripts/generate-leaderboard.py
       - name: Commit and push if changed
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           git config --global user.email "action@github.com"
           git config --global user.name "GitHub Action"

leaderboard/leaderboard.json

@@ -91,7 +91,7 @@
           "OCR": 0.222,
           "TextMean": 0.149
         }
-      }
+      } 
     ]
   }