community[patch]: Add missing type annotations (#22758)

Add missing type annotations to objects in community.
These missing type annotations will raise type errors in pydantic 2.

libs/community/langchain_community/tools/you/tool.py

@@ -20,8 +20,8 @@ class YouInput(BaseModel):
 class YouSearchTool(BaseTool):
     """Tool that searches the you.com API."""
 
-    name = "you_search"
-    description = (
+    name: str = "you_search"
+    description: str = (
         "The YOU APIs make LLMs and search experiences more factual and"
         "up to date with realtime web data."
     )