Add new log message for experiment item upload

sdks/python/src/opik/evaluation/scorer.py

@@ -1,5 +1,6 @@
 import tqdm
 import logging
+import time
 from concurrent import futures
 
 from typing import List, Optional, Dict, Any, Union, Callable
@@ -114,8 +115,10 @@ def _process_item(
             dataset_item_id=item.id,
             trace_id=trace_data.id,
         )
-
+        insert_start = time.time()
+        LOGGER.debug("Experiment item insertion started: %s", experiment_item_.trace_id)
         experiment_.insert(experiment_items=[experiment_item_])
+        LOGGER.debug("Experiment item insertion ended : %s, with time %s", experiment_item_.trace_id, time.time() - insert_start)
 
 
 def score_tasks(