[APIM] Recover API management request have not response body

APIM management service recover request has no response body.

API version: `2021-08-01`
API Doc: [APIM Create/Update](https://learn.microsoft.com/en-us/rest/api/apimanagement/previous-ga/api-management-service/create-or-update)

Recover request response:

Start with the API Management Create/Update documentation for API version 2021-08-01 and inspect the corresponding specification for the recover request. Compare its response definition with the behavior shown in the attached image; done means the specification accurately represents the response body.

Written by the indexing model from the issue text.