Update README.md

`pip install sentence_transformers~=2.2.2`
=>pip install -U sentence_transformers
For intfloat/multilingual-e5-large-instruct problem,
missing file sentence...config.json .

README.md

@@ -6075,7 +6075,7 @@ embeddings = model.encode(input_texts, normalize_embeddings=True)
 
 Package requirements
 
-`pip install sentence_transformers~=2.2.2`
+`pip install -U sentence_transformers`
 
 Contributors: [michaelfeil](https://huggingface.co/michaelfeil)