[Core]: Small Docstring Clarification for BaseTool (#28148)

- **Description:** `kwargs` are not being passed to `run` of the
`BaseTool` which has been fixed
- **Issue:** #28114

---------

Co-authored-by: Stevan Kapicic <kapicic.ste1@gmail.com>
Co-authored-by: Erick Friis <erick@langchain.dev>

libs/core/langchain_core/tools/base.py

@@ -609,7 +609,7 @@ def run(
             run_id: The id of the run. Defaults to None.
             config: The configuration for the tool. Defaults to None.
             tool_call_id: The id of the tool call. Defaults to None.
-            kwargs: Additional arguments to pass to the tool
+            kwargs: Keyword arguments to be passed to tool callbacks
 
         Returns:
             The output of the tool.
@@ -721,7 +721,7 @@ async def arun(
             run_id: The id of the run. Defaults to None.
             config: The configuration for the tool. Defaults to None.
             tool_call_id: The id of the tool call. Defaults to None.
-            kwargs: Additional arguments to pass to the tool
+            kwargs: Keyword arguments to be passed to tool callbacks
 
         Returns:
             The output of the tool.