列出 RPC 计划

curl --request GET \
  --url https://orbitflare.com/api/customer/v2/rpc-plans \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "<string>",
  "data": {
    "plans": [
      {
        "id": 123,
        "name": "<string>",
        "slug": "<string>",
        "description": "<string>",
        "features": [
          "<string>"
        ],
        "type": "<string>",
        "price_type": "<string>",
        "pricing": {},
        "base_price": 123,
        "limits": {}
      }
    ]
  }
}