feat: eureka接口使用异步模式进行实例的创建和销毁

[andrewshan]

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[polaris-test-bot]

2023-03-01 11:15:29: =========TEST START==========
2023-03-01 11:15:58: Pre-Merge check success! Now we will perform a full automated test which is expected to take 2 hours, thank you for your patience.
2023-03-01 11:23:59: =========TEST START==========
2023-03-01 11:24:30: Pre-Merge check success! Now we will perform a full automated test which is expected to take 2 hours, thank you for your patience.