Add CloudSSO mode support to cli_profile

[hitriy]

Library doesn't support CloudSSO mode from credentials file:

alibabacloud_credentials.exceptions.CredentialException: unable to load credentials from any of the providers in the chain: ['EnvironmentVariableCredentialsProvider: Environment variable accessKeyId cannot be empty', "CLIProfileCredentialsProvider: unsupported profile mode 'CloudSSO' form cli credentials file."
at https://github.com/aliyun/credentials-python/blob/master/alibabacloud_credentials/provider/cli_profile.py#L110

[lyb0307]

Is anyone looking into this problem? @yndu13