Update tox requirement from >= 3.9.0 to >=4.25.0

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@3.9.0...4.25.0)

---
updated-dependencies:
- dependency-name: tox
  dependency-version: 4.25.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -20,7 +20,7 @@ typing-extensions = ">= 4.7.1"
 [tool.poetry.dev-dependencies]
 pytest = ">= 7.2.1"
 pytest-cov = ">= 2.8.1"
-tox = ">= 3.9.0"
+tox = ">=4.25.0"
 flake8 = ">= 4.0.0"
 types-python-dateutil = ">= 2.8.19.14"
 mypy = ">= 1.5"