Try the SDK with free threading Python

[sentrivana]

...and see what needs updating.

List of things that will definitely need updating:

• sys._current_frames() in the profiler, see https://docs.python.org/3/howto/free-threading-python.html#frame-objects

Resources:

• https://docs.python.org/3/howto/free-threading-python.html
• https://py-free-threading.github.io/porting/
• https://github.com/facebookincubator/ft_utils/blob/main/docs/ft_worked_examples.md#understanding-the-global-interpreter-lock-gil-and-its-impact-on-multithreaded-python-programs

[linear]

PY-1780 Try the SDK with free threading Python