community[patch]: Add missing annotations (#24890)

This PR adds annotations in comunity package.

Annotations are only strictly needed in subclasses of BaseModel for
pydantic 2 compatibility.

This PR adds some unnecessary annotations, but they're not bad to have
regardless for documentation pages.

libs/community/langchain_community/llms/moonshot.py

@@ -39,9 +39,9 @@ class MoonshotCommon(BaseModel):
     """Moonshot API key. Get it here: https://platform.moonshot.cn/console/api-keys"""
     model_name: str = Field(default="moonshot-v1-8k", alias="model")
     """Model name. Available models listed here: https://platform.moonshot.cn/pricing"""
-    max_tokens = 1024
+    max_tokens: int = 1024
     """Maximum number of tokens to generate."""
-    temperature = 0.3
+    temperature: float = 0.3
     """Temperature parameter (higher values make the model more creative)."""
 
     class Config: