use tarfile from backports.zstd for Python < 3.14

Author: bedroge

scripts/automated_ingestion/eessi_task_payload.py

@@ -3,7 +3,11 @@
 from typing import Dict
 
 import os
-import tarfile
+import sys
+if sys.version_info >= (3, 14):
+    import tarfile
+else:
+    from backports.zstd import tarfile
 
 from eessi_data_object import EESSIDataAndSignatureObject
 from eessi_logging import log_function_entry_exit