log web search queries only with level 'debug' instead of 'info'

backend/open_webui/routers/retrieval.py

@@ -2047,7 +2047,7 @@ async def process_web_search(
     result_items = []
 
     try:
-        logging.info(
+        logging.debug(
             f"trying to web search with {request.app.state.config.WEB_SEARCH_ENGINE, form_data.queries}"
         )