chore: add ast-grep rule to convert Optional[T] to T | None (#25560)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/tests/test_containers_integration_tests/conftest.py

@@ -11,7 +11,6 @@ import logging
 import os
 from collections.abc import Generator
 from pathlib import Path
-from typing import Optional
 
 import pytest
 from flask import Flask
@@ -42,10 +41,10 @@ class DifyTestContainers:
 
     def __init__(self):
         """Initialize container management with default configurations."""
-        self.postgres: Optional[PostgresContainer] = None
-        self.redis: Optional[RedisContainer] = None
-        self.dify_sandbox: Optional[DockerContainer] = None
-        self.dify_plugin_daemon: Optional[DockerContainer] = None
+        self.postgres: PostgresContainer | None = None
+        self.redis: RedisContainer | None = None
+        self.dify_sandbox: DockerContainer | None = None
+        self.dify_plugin_daemon: DockerContainer | None = None
         self._containers_started = False
         logger.info("DifyTestContainers initialized - ready to manage test containers")