Add evaluation results on the kmfoda--booksum config of kmfoda/booksum

Beep boop, I am a bot from Hugging Face's automatic model evaluator 👋!\
Your model has been evaluated on the kmfoda--booksum config of the [kmfoda/booksum](https://huggingface.co/datasets/kmfoda/booksum) dataset by

@pszemraj

, using the predictions stored [here](https://huggingface.co/datasets/autoevaluate/autoeval-staging-eval-project-kmfoda__booksum-636bebc2-11085484).\
Accept this pull request to see the results displayed on the [Hub leaderboard](https://huggingface.co/spaces/autoevaluate/leaderboards?dataset=kmfoda/booksum).\
Evaluate your model on more datasets [here](https://huggingface.co/spaces/autoevaluate/model-evaluator?dataset=kmfoda/booksum).

README.md

@@ -253,19 +253,19 @@ model-index:
     metrics:
     - name: ROUGE-1
       type: rouge
-      value: 36.2047
+      value: 36.2117
       verified: true
     - name: ROUGE-2
       type: rouge
-      value: 6.0472
+      value: 6.0467
       verified: true
     - name: ROUGE-L
       type: rouge
-      value: 16.616
+      value: 16.6181
       verified: true
     - name: ROUGE-LSUM
       type: rouge
-      value: 33.172
+      value: 33.1837
       verified: true
     - name: loss
       type: loss