Hologres Performance768D10M result

[biaozy]

Hello VectorDBBench maintainers,

This PR submitted the benchmark results of Alibaba Cloud's Hologres database on VectorDBBench.

The following are some command-line instructions to reproduce the results:

NUM_PER_BATCH=100000 vectordbbench hologreshgraph --host <hologres_instance_endpoint> --port <port> --user '<username>' --password <password> --database <databasename> --m 64 --ef-construction 400 --case-type Performance768D10M --index-type HGraph --ef-search 400 --k 10 --num-concurrency 1,60,70,75,80,90,95,100,105,110,115,120 --db-label 32c128g-4.0-hybrid-index