Upstream update: stylelint

[github-actions]

Automation detected pending upstream changes for stylelint.

• Issue key: stylelint
• Affected skills: stylelint
• Pending upstream watches: 1

Pending upstream sources:

• stylelint-release | github_release | stylelint/stylelint release
  • Source: https://github.com/stylelint/stylelint/releases/tag/17.12.0
  • Current value: 17.12.0
  • Published at: 2026-05-20T10:49:28Z
  • Detail: 17.12.0 (2026-05-20T10:49:28Z)

Why this matters:

• Review the linked skills when stylelint/stylelint ships a new release.

Suggested follow-up:

• Review the upstream release notes or documentation diff
• Update the affected files under skills/
• Update README.md if framework coverage or guidance changed
• Close this issue after the catalog has been refreshed