Workflow for 3.12 Cycle

Finally, multi-core Python is coming.

Here are some goals of project faster-python planning to land in 3.12:

1. Trace optimizer
2. Multi-threaded parallelism
3. More specializations
4. Smaller object structs
5. Reduced memory management overhead
6. API stability

Referencs:

1. Workflow for 3.12 cycle
2. Python 3.12 Goals
3. Let's get rid of the stable ABI, but keep the limited API