fix: Update run_qa.py to work with deepset/germanquad (#23225)

Call str on id to make sure any ints are converted into the expected format for squad datasets

examples/pytorch/question-answering/run_qa.py

@@ -590,12 +590,12 @@ def main():
         # Format the result to the format the metric expects.
         if data_args.version_2_with_negative:
             formatted_predictions = [
-                {"id": k, "prediction_text": v, "no_answer_probability": 0.0} for k, v in predictions.items()
+                {"id": str(k), "prediction_text": v, "no_answer_probability": 0.0} for k, v in predictions.items()
             ]
         else:
-            formatted_predictions = [{"id": k, "prediction_text": v} for k, v in predictions.items()]
+            formatted_predictions = [{"id": str(k), "prediction_text": v} for k, v in predictions.items()]
 
-        references = [{"id": ex["id"], "answers": ex[answer_column_name]} for ex in examples]
+        references = [{"id": str(ex["id"]), "answers": ex[answer_column_name]} for ex in examples]
         return EvalPrediction(predictions=formatted_predictions, label_ids=references)
 
     metric = evaluate.load("squad_v2" if data_args.version_2_with_negative else "squad")