Add evaluation results on the document config and test split of ccdv/arxiv-summarization

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

@pszemraj

, using the predictions stored [here](https://huggingface.co/datasets/autoevaluate/autoeval-eval-ccdv__arxiv-summarization-document-dcd037-2375274516).\
Accept this pull request to see the results displayed on the [Hub leaderboard](https://huggingface.co/spaces/autoevaluate/leaderboards?dataset=ccdv/arxiv-summarization).\
Evaluate your model on more datasets [here](https://huggingface.co/spaces/autoevaluate/model-evaluator?dataset=ccdv/arxiv-summarization).

README.md

@@ -90,6 +90,39 @@ model-index:
       type: gen_len
       value: 291.8158
       verified: true
+  - task:
+      type: summarization
+      name: Summarization
+    dataset:
+      name: ccdv/arxiv-summarization
+      type: ccdv/arxiv-summarization
+      config: document
+      split: test
+    metrics:
+    - name: ROUGE-1
+      type: rouge
+      value: 36.3225
+      verified: true
+    - name: ROUGE-2
+      type: rouge
+      value: 9.3743
+      verified: true
+    - name: ROUGE-L
+      type: rouge
+      value: 19.8396
+      verified: true
+    - name: ROUGE-LSUM
+      type: rouge
+      value: 32.2532
+      verified: true
+    - name: loss
+      type: loss
+      value: 2.146871566772461
+      verified: true
+    - name: gen_len
+      type: gen_len
+      value: 186.2966
+      verified: true
 ---
 
 # long-t5-tglobal-xl + BookSum