chore(deps-dev): update tox requirement from ~=4.11 to ~=4.12 (appium#947)

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@4.11.0...4.12.0) --- updated-dependencies: - dependency-name: tox dependency-type: direct:development ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Pipfile

@@ -15,7 +15,7 @@ pylint-quotes = "~=0.2.3"
 pytest = "~=7.4"
 pytest-cov = "~=4.1"
 python-dateutil = "~=2.8"
-tox = "~=4.11"
+tox = "~=4.12"
 types-python-dateutil = "~=2.8"
 
 [packages]