fix(tools): suppress RuntimeWarnings in podcast audio generator (#10182)

Author: laipz8200

api/core/tools/provider/builtin/podcast_generator/tools/podcast_audio_generator.py

@@ -1,16 +1,17 @@
 import concurrent.futures
 import io
 import random
+import warnings
 from typing import Any, Literal, Optional, Union
-from warnings import catch_warnings
 
 import openai
 
 from core.tools.entities.tool_entities import ToolInvokeMessage
 from core.tools.errors import ToolParameterValidationError, ToolProviderCredentialValidationError
 from core.tools.tool.builtin_tool import BuiltinTool
 
-with catch_warnings(action="ignore", category=RuntimeWarning):
+with warnings.catch_warnings():
+    warnings.simplefilter("ignore")
     from pydub import AudioSegment