chore(deps-dev): update tox requirement from ~=4.25 to ~=4.26 (#1126)

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@4.25.0...4.26.0)

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

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

Author: dependabot[bot]

Pipfile

@@ -11,7 +11,7 @@ pytest = "~=8.3"
 pytest-cov = "~=5.0"
 python-dateutil = "~=2.9"
 ruff = "~=0.11.10"
-tox = "~=4.25"
+tox = "~=4.26"
 types-python-dateutil = "~=2.9"
 
 [packages]