Bump tox from 4.25.0 to 4.26.0

Bumps [tox](https://github.com/tox-dev/tox) from 4.25.0 to 4.26.0.
- [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@4.25.0...4.26.0)

---
updated-dependencies:
- dependency-name: tox
  dependency-version: 4.26.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements-dev.txt

@@ -9,7 +9,7 @@ pip==25.1.1
 pydocstyle==6.3.0
 setuptools==80.4.0
 sphinx==7.4.7
-tox==4.25.0
+tox==4.26.0
 twine==6.1.0
 virtualenv==20.31.2
 watchdog==6.0.0