Update model

Per https://www.sbert.net/examples/applications/semantic-search/README.html, Imitating https://colab.research.google.com/github/UKPLab/sentence-transformers/blob/master/examples/applications/retrieve_rerank/retrieve_rerank_simple_wikipedia.ipynb#scrollTo=D_hDi8KzNgMM

handler.py

@@ -10,8 +10,8 @@ def mean_pooling(model_output, attention_mask):
     
 class EndpointHandler():
     def __init__(self, path=""):
-        self.tokenizer = AutoTokenizer.from_pretrained('sentence-transformers/msmarco-MiniLM-L-6-v3')
-        self.model = AutoModel.from_pretrained('sentence-transformers/msmarco-MiniLM-L-6-v3')
+        self.tokenizer = AutoTokenizer.from_pretrained('sentence-transformers/multi-qa-MiniLM-L6-cos-v1')
+        self.model = AutoModel.from_pretrained('sentence-transformers/multi-qa-MiniLM-L6-cos-v1')
 
     def __call__(self, data: Dict[str, Any]) -> List[Dict[str, Any]]:
         """