Update model metadata to set pipeline tag to the new `text-ranking` (#2)

- Update model metadata to set pipeline tag to the new `text-ranking` (aca405a4857f156eb566b23f8184d7e282bba99a)


Co-authored-by: Tom Aarsen <[email protected]>

README.md

@@ -5,7 +5,7 @@ datasets:
 language:
 - it
 library_name: sentence-transformers
-pipeline_tag: text-classification
+pipeline_tag: text-ranking
 tags:
 - cross-encoder
 ---