Add evaluation results on the default config and test split of emotion

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

@lewtun
, using the predictions stored [here](https://huggingface.co/datasets/autoevaluate/autoeval-staging-eval-project-083d71a4-50b6-4074-aa7d-a46eddb83f06-42).\
Accept this pull request to see the results displayed on the [Hub leaderboard](https://huggingface.co/spaces/autoevaluate/leaderboards?dataset=emotion).\
Evaluate your model on more datasets [here](https://huggingface.co/spaces/autoevaluate/model-evaluator?dataset=emotion).

README.md

@@ -71,7 +71,7 @@ model-index:
       verified: true
     - name: loss
       type: loss
-      value: 0.20905950665473938
+      value: 0.20907790958881378
       verified: true
     - name: matthews_correlation
       type: matthews_correlation