[Fix] fix ellipsis extraction in bio_data (#2429)

Author: Myhs-phz

opencompass/datasets/biodata.py

@@ -157,7 +157,7 @@ def extract_dict_text(text):
     matches = pattern.findall(text)
     if not matches:
         return None
-    if [match for match in matches][-1] == '{...}':
+    if '...' in [match for match in matches][-1]:
         return None
     return [match for match in matches][-1]