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-5034faac-10965473).\
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

@@ -173,19 +173,19 @@ model-index:
     metrics:
     - name: ROUGE-1
       type: rouge
-      value: 34.0847
+      value: 34.0757
       verified: true
     - name: ROUGE-2
       type: rouge
-      value: 5.9222
+      value: 5.9177
       verified: true
     - name: ROUGE-L
       type: rouge
-      value: 16.3885
+      value: 16.3874
       verified: true
     - name: ROUGE-LSUM
       type: rouge
-      value: 31.6159
+      value: 31.6118
       verified: true
     - name: loss
       type: loss