GAIA validation data download updated to use authentication token

app.py

@@ -405,7 +405,8 @@ def download_gaia_validation(local_dir: str = LOCAL_GAIA_DIR):
         repo_type="dataset",
         allow_patterns=[f"{GAIA_VALIDATION_DIR}/*"],
         local_dir=local_dir,
-        local_dir_use_symlinks=False
+        local_dir_use_symlinks=False,
+        use_auth_token=True
     )
     print(f"Downloaded GAIA validation data to {target_path}")