chore(deps): bump pyupgrade in the dependencies group

Bumps the dependencies group with 1 update: [pyupgrade](https://github.com/asottile/pyupgrade).


Updates `pyupgrade` from 3.15.2 to 3.16.0
- [Commits](asottile/pyupgrade@v3.15.2...v3.16.0)

---
updated-dependencies:
- dependency-name: pyupgrade
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

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

test-requirements.txt

@@ -7,4 +7,4 @@ flake8 >= 7.0.0, < 8
 griffe >= 0.41.2, < 1
 isort==5.13.2
 pytest-cov >= 5, < 6
-pyupgrade==3.15.2
+pyupgrade==3.16.0