[to #42322933]cv/tinynas/classification2

fix to the output form to list
调整输出格式，改为 list 格式
        Link: https://code.alibaba-inc.com/Ali-MaaS/MaaS-lib/codereview/9684053

modelscope/pipelines/cv/tinynas_classification_pipeline.py

@@ -90,7 +90,7 @@ class TinynasClassificationPipeline(Pipeline):
         output_prob = torch.nn.functional.softmax(inputs['outputs'], dim=-1)
         score = torch.max(output_prob)
         output_dict = {
-            OutputKeys.SCORES: score.item(),
-            OutputKeys.LABELS: label_dict[inputs['outputs'].argmax().item()]
+            OutputKeys.SCORES: [score.item()],
+            OutputKeys.LABELS: [label_dict[inputs['outputs'].argmax().item()]]
         }
         return output_dict