Make `sys.settrace`, `sys.setprofile`, and `sys.monitoring` thread safe in `--disable-gil` builds

[DinoV]

Feature or enhancement

Proposal:

These need to work properly when called with multiple threads running.

colesbury/nogil-3.12@82800d8ec8

Has this already been discussed elsewhere?

No response given

Links to previous discussion of this feature:

#108219

Linked PRs

• gh-116818: Make sys.settrace, sys.setprofile, and monitoring thread-safe #116775

[colesbury]

I think this is done