fix(types): use direct FileTypes import in video schemas

Avoid the temporary Any alias and use a concrete FileTypes import compatible with type checks.

Made-with: Cursor

litellm/types/videos/main.py

@@ -1,10 +1,9 @@
 from typing import Any, Dict, List, Literal, Optional
 
+from openai.types.audio.transcription_create_params import FileTypes  # type: ignore
 from pydantic import BaseModel
 from typing_extensions import TypedDict
 
-FileTypes = Any
-
 
 class VideoObject(BaseModel):
     """Represents a generated video object."""