Bump tox from 4.15.1 to 4.16.0 (#1285)

Bumps [tox](https://github.com/tox-dev/tox) from 4.15.1 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@4.15.1...4.16.0)

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

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

Author: dependabot[bot]

poetry.lock

@@ -23,7 +23,7 @@ warrant-lite = "^1.0.4"
 backports-strenum = "^1.2.4"
 
 [tool.poetry.dev-dependencies]
-tox = "^4.15"
+tox = "^4.16"
 pytest = "^8.2"
 pytest-cov = "^5.0.0"
 pre-commit = "^3.5"