Bump tox from 4.12.1 to 4.13.0 in /requirements

[dependabot[bot]]

Bumps tox from 4.12.1 to 4.13.0.

Release notes

Sourced from tox's releases.

4.13.0

What's Changed

• Document usage of Pytest with Tox as a FAQ entry by @​faph in tox-dev/tox#3192
• docs/config.rst: State in config directive sections their ini file sections by @​0cjs in tox-dev/tox#3194
• .gitignore: Add /tests/demo_pkg_inline/.tox/ by @​0cjs in tox-dev/tox#3198
• docs/development: Summarise important points experienced devs need to know by @​0cjs in tox-dev/tox#3197
• Add tests for CliEnv by @​0cjs in tox-dev/tox#3204
• Document how CliEnv works by @​0cjs in tox-dev/tox#3206
• docs/development "Key points": Two updates and general improvement by @​0cjs in tox-dev/tox#3205
• session.env_select.CliEnv: Document and test spaces behaviour by @​0cjs in tox-dev/tox#3208
• config.cli.test_cli_ini: Re-order for clarity (textual moves only) by @​0cjs in tox-dev/tox#3209
• Revert previous "precommit autoupdate (#3214)" commit; it's broken by @​0cjs in tox-dev/tox#3215
• Extract packaging virtualenv code to its own class by @​gaborbernat in tox-dev/tox#3221

New Contributors

• @​faph made their first contribution in tox-dev/tox#3192
• @​0cjs made their first contribution in tox-dev/tox#3194

Full Changelog: https://github.com/tox-dev/tox/compare/4.12.1...4.13.0

Changelog

Sourced from tox's changelog.

v4.13.0 (2024-02-16)

Features - 4.13.0

- Extract virtual environment packaging code to its own base class not tied to ``virtualenv`` - by :user:`gaborbernat`. (:issue:`3221`)
Improved Documentation - 4.13.0

• Documented usage of pytest with tox run-parallel - by :user:faph. (:issue:3187)
• Configuration: state in config directive sections their ini file sections - by :user:0cjs. (:issue:3194)
• Development: summarize important points experienced developers need to know - by :user:0cjs. (:issue:3197)

Commits

• ae156e2 release 4.13.0
• fa923ec Extract packaging virtualenv code to its own class (#3221)
• 47bcea6 [pre-commit.ci] pre-commit autoupdate (#3217)
• fb83a3a Revert previous "precommit autoupdate (#3214)" commit; it's broken (#3215)
• 3347933 [pre-commit.ci] pre-commit autoupdate (#3214)
• 2bcc3ec config.cli.test_cli_ini: Re-order for clarity (textual moves only) (#3209)
• 387834a session.env_select.CliEnv: Document and test spaces behaviour (#3208)
• 47fa093 docs/development "Key points": Two updates and general improvement (#3205)
• 1b5b187 Document how CliEnv works (#3206)
• b3eb86a Add tests for CliEnv (#3204)
• Additional commits viewable in compare view

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