Update model metadata to set pipeline tag to the new `text-ranking` and tags to `sentence-transformers`

README.md

@@ -4,13 +4,14 @@ language:
 - en
 library_name: transformers
 license: apache-2.0
-pipeline_tag: text-classification
+pipeline_tag: text-ranking
 tags:
 - reranker
 - cross-encoder
 - transformers.js
 - llama-cpp
 - gguf-my-repo
+- sentence-transformers
 ---
 
 # sabafallah/jina-reranker-v1-tiny-en-Q4_K_M-GGUF