Bump time-machine from 2.14.2 to 2.16.0

Bumps [time-machine](https://github.com/adamchainz/time-machine) from 2.14.2 to 2.16.0.
- [Changelog](https://github.com/adamchainz/time-machine/blob/main/CHANGELOG.rst)
- [Commits](adamchainz/time-machine@2.14.2...2.16.0)

---
updated-dependencies:
- dependency-name: time-machine
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements-dev.txt

@@ -7,4 +7,4 @@ pytest-cov==5.0.0
 pytest-socket==0.7.0
 pytest-xdist==3.6.1
 ruff==0.5.1
-time-machine==2.14.2
+time-machine==2.16.0