Bump tox from 4.0.2 to 4.0.3

[dependabot[bot]]

Bumps tox from 4.0.2 to 4.0.3.

Release notes

Sourced from tox's releases.

4.0.3

What's Changed

• Document necessity to escape # sign used in commands by @​jugmac00 in tox-dev/tox#2621
• Ensure change_dir is created before running commands by @​gaborbernat in tox-dev/tox#2643
• Show host python under core section as constant by @​gaborbernat in tox-dev/tox#2644
• Set always PYTHONIOENCODING to utf-8 by @​gaborbernat in tox-dev/tox#2646
• Pass through NUMBER_OF_PROCESSORS on Windows by @​gaborbernat in tox-dev/tox#2647

Full Changelog: https://github.com/tox-dev/tox/compare/4.0.2...4.0.3

Changelog

Sourced from tox's changelog.

v4.0.3 (2022-12-08)

Bugfixes - 4.0.3

- Always set environment variable ``PYTHONIOENCODING`` to ``utf-8`` to ensure tox works under Windows custom encodings
  - by :user:`gaborbernat`. (:issue:`2422`)
- Ensure :ref:`change_dir` is created if does not exist before executing :ref:`commands` - by :user:`gaborbernat`. (:issue:`2620`)
- Pass through ``NUMBER_OF_PROCESSORS`` on Windows as is needed for ``multiprocessing.cpu_count`` -
  by :user:`gaborbernat`. (:issue:`2629`)
- The core tox configuration now contains ``host_python`` key showing the host python executable path -
  by :user:`gaborbernat`. (:issue:`2630`)
Improved Documentation - 4.0.3

• Document that space separator is no longer valid for the :ref:passenv and instead one should use comma - by :user:gaborbernat. (:issue:2615)
• Document necessity to escape # within INI configuration - by :user:jugmac00. (:issue:2617)

Commits

• 95084f2 release 4.0.3
• 8894ee9 Pass through NUMBER_OF_PROCESSORS on Windows (#2647)
• a9bfef3 Set always PYTHONIOENCODING to utf-8 (#2646)
• ab5ea45 Show host python under core section as constant (#2644)
• 31ad830 Ensure change_dir is created before running commands (#2643)
• 267d327 Document necessity to escape # sign used in commands (#2621)
• 4c485f8 Merge pull request #2627 from tox-dev/release-4.0.2
• See full diff in compare view

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[dependabot[bot]]

Looks like tox is up-to-date now, so this is no longer needed.