CI: Add GIN_TOKEN to action

.github/workflows/update-superdataset.yml

@@ -14,3 +14,4 @@ jobs:
           SECRET_KEY: ${{ secrets.NIPREPS_BOT }}
           AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          GIN_TOKEN: ${{ secrets.GIN_TOKEN }}