can you support for cityhash 1.0.3

[jiqimaogou]

because clickhouse and std::hash use the version
https://github.com/ClickHouse/ClickHouse/blob/master/contrib/cityhash102/include/city.h#L50

so can you also support the cityhash 1.0.3

[tgd]

Hi @jiqimaogou we have no plans to add this at the moment but would be happy to review PR contributions. If you would like to send a PR please sign our contributor agreement first: https://chronicle.software/contributor-agreement/