Bug report

Bug description:

gh-122192 incidentally identified an existing refleak related to using channels (or queues).

CPython versions tested on:

3.13, CPython main branch

Operating systems tested on:

No response

Linked PRs

• gh-122199: Skip test_slot_wrappers When Checking For Refleaks #122200
• [3.13] gh-122199: Skip test_slot_wrappers When Checking For Refleaks (gh-122200) #122202