Rename stim -> script in epochs table

Author: bjhardcastle

src/npc_sessions/sessions.py

@@ -3611,7 +3611,7 @@ def get_task_metrics() -> dict[str, dict]:
 
         aind_epochs = []
         for nwb_epoch in self.epochs:
-            epoch_name = nwb_epoch.stim_name.item()
+            epoch_name = nwb_epoch.script_name.item()
 
             aind_epochs.append(
                 aind_data_schema.core.session.StimulusEpoch(