벡터 스토어 수정

{
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  "object": "vector_store",
  "created_at": 1711644800,
  "name": "updated-docs",
  "usage_bytes": 1024000,
  "file_counts": {
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    "completed": 3,
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    "total": 3
  },
  "status": "completed",
  "last_active_at": 1711731200,
  "expires_after": null,
  "expires_at": null,
  "metadata": {"team": "product"}
}