build(deps): 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:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements-ci.txt

@@ -34,13 +34,13 @@ tomli==2.2.1
     # via
     #   pyproject-api
     #   tox
-tox==4.25.0
+tox==4.26.0
     # via
     #   -r requirements-ci.in
     #   tox-gh-actions
 tox-gh-actions==3.3.0
     # via -r requirements-ci.in
 typing-extensions==4.13.0
     # via tox
-virtualenv==20.29.2
+virtualenv==20.31.2
     # via tox

requirements-dev.txt

@@ -85,14 +85,14 @@ tomli==2.2.1
     #   pyproject-api
     #   pytest
     #   tox
-tox==4.25.0
+tox==4.26.0
     # via -r requirements-dev.in
 typing-extensions==4.12.2
     # via
     #   black
     #   mypy
     #   tox
-virtualenv==20.29.2
+virtualenv==20.31.2
     # via
     #   pre-commit
     #   tox