time-machine: Travel through time in your tests.

Via https://fosstodon.org/@adamchainz/110887736229965200

Just released time-machine 2.12.0 with #Python 3.12 wheels, thanks to the latest cibuildwheel release from @joerick . time-machine won't be a blocker for testing Python 3.12 now 😊

https://pypi.org/project/time-machine/