[Pip] Add python12 support

[xinli-sw]

Currently users are not able to install centml package with python 12 due to this limitation:

https://github.com/CentML/centml-python-client/blob/main/setup.py#L16

Please add python12 support as it's becoming mainstream

┆Issue is synchronized with this Notion page by Unito

[michaelshin]

Done in #88