build(deps-dev): Bump the dev group with 2 updates

Bumps the dev group with 2 updates: [tox](https://github.com/tox-dev/tox) and [ruff](https://github.com/astral-sh/ruff).


Updates `tox` from 4.18.1 to 4.20.0
- [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@4.18.1...4.20.0)

Updates `ruff` from 0.6.5 to 0.6.7
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.6.5...0.6.7)

---
updated-dependencies:
- dependency-name: tox
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev
- dependency-name: ruff
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev
...

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

pyproject.toml

@@ -39,11 +39,11 @@ pytest-mock = "^3.14.0"
 pytest-randomly = "^3.15.0"
 pytest-xdist = "^3.6.1"
 sphinx = "^8.0.2"
-tox = "^4.18.1"
+tox = "^4.20.0"
 black = "^24.8.0"
 hypothesis = "^6.112.1"
 mutmut = "^2.5.1"
-ruff = "^0.6.5"
+ruff = "^0.6.7"
 
 [tool.mypy]
 python_version = "3.11"