Bump tox from 4.16.0 to 4.18.0

Bumps [tox](https://github.com/tox-dev/tox) from 4.16.0 to 4.18.0.
- [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@4.16.0...4.18.0)

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

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

pyproject.toml

@@ -78,7 +78,7 @@
     tests = [
         "pytest-cov==5.0.0",
         "pytest==8.3.2",
-        "tox==4.16.0",
+        "tox==4.18.0",
         "python-dotenv==1.0.1",
     ]
     tools = ["pyperclip==1.9.0"]