build(deps-dev): update tox requirement from >=4.60.0 to >=4.61.1

Updates the requirements on [tox](https://github.com/tox-dev/tox) to permit the latest version.
- [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@4.60.0...4.61.1)

---
updated-dependencies:
- dependency-name: tox
  dependency-version: 4.61.1
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-dev.txt

@@ -6,7 +6,7 @@ flake8>=6.1.0
 mypy>=1.5.0
 bandit>=1.7.5
 pre-commit>=4.6.1
-tox>=4.60.0
+tox>=4.61.1
 sphinx>=8.1.3
 sphinx-rtd-theme>=3.1.0
 twine>=7.0.0