chore(deps): update dependency tox to v4.26.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
tox (changelog)	4.25.0 -> 4.26.0

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Release Notes

tox-dev/tox (tox)

v4.26.0

Compare Source

What's Changed

• Add a missing quote in a TOML example @​ config.rst by @​webknjaz in https://github.com/tox-dev/tox/pull/3509
• Add colour to GitHub Actions CI logs by @​hugovk in https://github.com/tox-dev/tox/pull/3525
• Fix using deprecated virtualenv option --wheel by @​robsdedude in https://github.com/tox-dev/tox/pull/3528
• Fix custom HelpFormatter for Python 3.14 by @​The-Compiler in https://github.com/tox-dev/tox/pull/3524
• Drop support for EOL Python 3.8 by @​hugovk in https://github.com/tox-dev/tox/pull/3527
• Test with Python 3.14 by @​edgarrmondragon in https://github.com/tox-dev/tox/pull/3533
• Fix for tox4 regression issue with setenv file and substitutions (#​2435) by @​realitycheck in https://github.com/tox-dev/tox/pull/3521
• Feat: free-threaded python support by @​robsdedude in https://github.com/tox-dev/tox/pull/3526

New Contributors

• @​edgarrmondragon made their first contribution in https://github.com/tox-dev/tox/pull/3533
• @​realitycheck made their first contribution in https://github.com/tox-dev/tox/pull/3521

Full Changelog: tox-dev/tox@4.25.0...4.26.0

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Configuration

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[github-actions]

Test Results

    34 files  ±0      34 suites  ±0   56m 58s ⏱️ -19s
 2 396 tests ±0   2 042 ✅ ±0    354 💤 ±0  0 ❌ ±0 
43 102 runs  ±0  36 850 ✅ ±0  6 252 💤 ±0  0 ❌ ±0 

Results for commit 6a44a6e. ± Comparison against base commit 06ce5c7.

[bkeryan]

Add colour to GitHub Actions CI logs

At first I thought this was a Tox feature and I was wondering why our Tox logs don't show up in color, then I looked at the PR. The GitHub Actions workflows for the Tox project now set FORCE_COLOR=1 in the environment.