FEAT: cohere rerank 3 model added (#3431)

api/core/model_runtime/model_providers/cohere/rerank/_position.yaml

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+- rerank-english-v2.0
+- rerank-english-v3.0
+- rerank-multilingual-v2.0
+- rerank-multilingual-v3.0

api/core/model_runtime/model_providers/cohere/rerank/rerank-english-v3.0.yaml

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+model: rerank-english-v3.0
+model_type: rerank
+model_properties:
+  context_size: 5120

api/core/model_runtime/model_providers/cohere/rerank/rerank-multilingual-v3.0.yaml

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+model: rerank-multilingual-v3.0
+model_type: rerank
+model_properties:
+  context_size: 5120