chore(deps): update dependency tox to v4.18.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
tox (changelog)	4.17.1 -> 4.18.0

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Release Notes

tox-dev/tox (tox)

### [`v4.18.0`](https://togithub.com/tox-dev/tox/releases/tag/4.18.0) [Compare Source](https://togithub.com/tox-dev/tox/compare/4.17.1...4.18.0) #### What's Changed - Fix [#​3278](https://togithub.com/tox-dev/tox/issues/3278) - Boost temporary directories cleanup in tests by [@​ziima](https://togithub.com/ziima) in [https://github.com/tox-dev/tox/pull/3323](https://togithub.com/tox-dev/tox/pull/3323) - Fix absolute base python paths conflicting by [@​gaborbernat](https://togithub.com/gaborbernat) in [https://github.com/tox-dev/tox/pull/3325](https://togithub.com/tox-dev/tox/pull/3325) - Fix [#​3318](https://togithub.com/tox-dev/tox/issues/3318) - Suppress spinner in parallel runs in CI by [@​ziima](https://togithub.com/ziima) in [https://github.com/tox-dev/tox/pull/3321](https://togithub.com/tox-dev/tox/pull/3321) **Full Changelog**: https://github.com/tox-dev/tox/compare/4.17.1...4.18.0

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Test Results

    30 files  ±0      30 suites  ±0   39m 34s :stopwatch: +24s    648 tests ±0     648 :white_check_mark: ±0      0 :zzz: ±0  0 :x: ±0  16 060 runs  ±0  14 990 :white_check_mark: ±0  1 070 :zzz: ±0  0 :x: ±0 

Results for commit cfec71c9. ± Comparison against base commit ef5dde67.