Build(deps-dev): Update tox requirement from >=4.56.1 to >=4.56.2

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@4.56.1...4.56.2)

---
updated-dependencies:
- dependency-name: tox
  dependency-version: 4.56.2
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -50,7 +50,7 @@ dev = [
     "pytest-xdist[psutil]>=3.8.0",
     "ruff>=0.15.20",
     "sphinx>=9.0.4",
-    "tox>=4.56.1",
+    "tox>=4.56.2",
     "tox-gh-actions>=3.5.0",
 ]