updated KB default limit value

updated KB default limit value to match the default limit from SQL version (https://github.com/mindsdb/mindsdb/blob/main/mindsdb/interfaces/knowledge_base/controller.py#L246)

Author: martyna-mindsdb

mindsdb_sdk/knowledge_bases.py

@@ -86,7 +86,7 @@ def __init__(self, api, project, data: dict):
     def __repr__(self):
         return f'{self.__class__.__name__}({self.project.name}.{self.name})'
 
-    def find(self, query: str, limit: int = 100):
+    def find(self, query: str, limit: int = 10):
         """
 
         Query data from knowledge base.
@@ -98,7 +98,7 @@ def find(self, query: str, limit: int = 100):
         >>> print(query.fetch())
 
         :param query: text query
-        :param limit: count of rows in result, default 100
+        :param limit: count of rows in result, default 10
         :return: Query object
         """