Merge 'feat/add-provisioned-token-py' into 'feat/multimodal_embedding'

feat: add provisioned tokens

See merge request: !745

Author: 岳光纯

volcenginesdkarkruntime/types/completion_usage.py

@@ -9,12 +9,15 @@
 class PromptTokensDetails(BaseModel):
     cached_tokens: int
     """Number of tokens hit cache."""
+    provisioned_tokens: Optional[int] = None
+    """Number of tokens provisioned in the prompt."""
 
 
 class CompletionTokensDetails(BaseModel):
     reasoning_tokens: Optional[int] = None
     """Tokens generated by the model for reasoning."""
-
+    provisioned_tokens: Optional[int] = None
+    """Number of tokens provisioned in the generated completion."""
 
 class CompletionUsage(BaseModel):
     completion_tokens: int