fix URL

Author: robswc

src/quickbase_json/client.py

@@ -123,7 +123,7 @@ def get_fields(self, table_id: str, **kwargs):
 
         headers = self.headers
         params = {'tableId': f'{table_id}'}
-        return requests.get('https://api.quickbase.com/v1/tables', params=params, headers=headers).json()
+        return requests.get('https://api.quickbase.com/v1/fields', params=params, headers=headers).json()
 
     """
     Misc.