fix: replace bare except with except Exception (#22473)

Replace bare except clauses with except Exception to follow Python best practices and avoid catching unexpected system exceptions like KeyboardInterrupt and SystemExit.

backend/open_webui/routers/configs.py

@@ -179,7 +179,7 @@ async def set_tool_servers_config(
 
             try:
                 request.app.state.oauth_client_manager.remove_client(client_key)
-            except:
+            except Exception:
                 pass
 
     # Set new tool server connections