update Alibaba Cloud Hologres result

[jiahuizz]

Like the previous submission, deployment outside Alibaba Cloud is not supported. Performance verification therefore requires access to a Hologres instance on Alibaba Cloud. We apologize for this limitation. The testing methodology is documented in README.md, and we are happy to provide vouchers to assist with validation. We are submitting updated results in this version due to the release of a new system iteration that includes several optimizations.