fix task tag (#9)

- fix task tag (e11cce0c60f4144655309cabfac13663e863a51c)


Co-authored-by: Merve Noyan <merve@users.noreply.huggingface.co>

README.md

@@ -20,7 +20,7 @@ datasets:
 language:
 - vi
 - en
-pipeline_tag: visual-question-answering
+pipeline_tag: image-text-to-text
 tags:
 - vision
 license: mit