build(deps): bump tox from 4.21.0 to 4.21.2

[dependabot[bot]]

Bumps tox from 4.21.0 to 4.21.2.

Release notes

Sourced from tox's releases.

4.21.2

What's Changed

• Update sdist rules to include tox.toml (#3389) by @​mgorny in tox-dev/tox#3390

Full Changelog: https://github.com/tox-dev/tox/compare/4.21.1...4.21.2

4.21.1

What's Changed

• Fix TOML configuration errors by @​gaborbernat in tox-dev/tox#3388

Full Changelog: https://github.com/tox-dev/tox/compare/4.21.0...4.21.1

Changelog

Sourced from tox's changelog.

v4.21.2 (2024-10-03)

Bugfixes - 4.21.2

- Include ``tox.toml`` in sdist archives to fix test failures resulting from its lack.
  - by :user:`mgorny` (:issue:`3389`)
v4.21.1 (2024-10-02)
Bugfixes - 4.21.1

• Fix error when using requires within a TOML configuration file - by :user:gaborbernat. (:issue:3386)

• Fix error when using deps within a TOML configuration file - by :user:gaborbernat. (:issue:3387)

• Multiple fixes for the TOML configuration by :user:gaborbernat.:

  • Do not fail when there is an empty command within commands.
  • Allow references for set_env by accepting list of dictionaries for it.
  • Do not try to be smart about reference unrolling, instead allow the user to control it via the extend flag, available both for posargs and ref replacements.
  • The ref replacements raw key has been renamed to of. (:issue:3388)

Commits

• c953f4f release 4.21.2
• 3ab1d3e Update sdist rules to include tox.toml (#3389) (#3390)
• 172a952 Fix user guide typo
• 434ac18 release 4.21.1
• 34d3adc Fix TOML configuration errors (#3388)
• 719b346 Update installation.rst
• See full diff in compare view

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