Bump tox from 4.14.2 to 4.16.0 (#151)

Bumps [tox](https://github.com/tox-dev/tox) from 4.14.2 to 4.16.0.
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/main/docs/changelog.rst)
- [Commits](tox-dev/tox@4.14.2...4.16.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements-dev.txt

@@ -6,6 +6,6 @@ mypy==1.11.0
 pre-commit==3.3
 pygments==2.18.0
 sphinx==7.0.1
-tox==4.14.2
+tox==4.16.0
 types-requests==2.32.0.20240712
 types-setuptools==71.0.0.20240722