[WIP] bpo-42213: Support cyclic garbage collection in sqlite3 by erlend-aasland · Pull Request #23046 · python/cpython

For sqlite3.Connection and sqlite3.Cache:

• Get rid of old decref_factory hack
• Support cyclic GC in both types

Skipping NEWS should be fine for this, I guess.

@berkerpeksag, would you mind reviewing this?

https://bugs.python.org/issue42213