Enhancement: Python 3.12

[JacobCoffee]

Summary

3.12.0b4 is underway and the release date for 3.12 quickly approaches.

Release Schedule: https://peps.python.org/pep-0693/
Available Betas/RCs: https://www.python.org/ftp/python/3.12.0/

Tooling is beginning to support this (astral-sh/ruff@8bc7378), I imagine we will have a waiting game for some things.. but it would be nice to get a head start on this once 2.0 is released.

Support 3.12, adding it to our CI matrix version, testing, docs, etc.

Pre-3.12 Release Pending Upstream Packages

• greenlet
  • Fix #323: Support Python 3.12 python-greenlet/greenlet#327
  • Greenlet 3.0 release
• grpcio
  • Python 3.12 Support grpc/grpc#33063
• orjson >= 3.8.10
  • https://github.com/ijl/orjson/releases/tag/3.8.10

Post-3.12 Release Pending Upstream Packages

• Python 3.12 Support for uvloop MagicStack/uvloop#567

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[JacobCoffee]

added greenlet, grpcio, and orjson deps.

[provinzkraut]

Why orjson?

[JacobCoffee]

piccolo

[JacobCoffee]

Added pending upstream for uvloop