fix(ci): honor sparse checkout paths

Author: Seungpyo1007

.github/workflows/validate-data.yml

@@ -21,7 +21,6 @@ jobs:
         with:
           # The committed Pages dump contains over a million generated files.
           # Validation only needs records and the bundled validator.
-          filter: blob:none
           sparse-checkout: |
             app
             data