'type'参数应该设置为'sonarqube'，请求体应该如下所示：

{
    ...
    "authorization": {
        "scheme": "UsernamePassword",
        "parameters": {
            "username": <YOUR_SONARQUBE_TOKEN>,
            "password": null
        }
    },
    "serviceEndpointProjectReferences": [
        {
            "description": <AZURE_DEVOPS_SERVICE_CONNECTION_DESCRIPTION>,
            "name": <AZURE_DEVOPS_SERVICE_CONNECTION_NAME>,
            "projectReference": {
                "id": <AZURE_DEVOPS_PROJECT_ID>,
            }
        }
    ],
    "name": <AZURE_DEVOPS_SERVICE_CONNECTION_NAME>,
    "type": "sonarqube",
    "url": <YOUR_SONARQUBE_URL>,
    ...
}

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您可以在文档中找到有关请求主体的其他参数的更多详细信息：https://learn.microsoft.com/en-us/rest/api/azure/devops/serviceendpoint/endpoints/create?view=azure-devops-rest-7.1&tabs=HTTP#endpointauthorization