Fix task name

README.md

@@ -1,5 +1,5 @@
 ---
-pipeline_tag: visual-question-answering
+pipeline_tag: image-text-to-text
 ---
 
 ## MiniCPM-Llama3-V 2.5 int4
@@ -58,4 +58,4 @@ generated_text = ""
 for new_text in res:
     generated_text += new_text
     print(new_text, flush=True, end='')
-```
+```