Bump stylelint from 17.1.1 to 17.3.0

Bumps [stylelint](https://github.com/stylelint/stylelint) from 17.1.1 to 17.3.0.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@17.1.1...17.3.0)

---
updated-dependencies:
- dependency-name: stylelint
  dependency-version: 17.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -45,7 +45,7 @@
   },
   "dependencies": {
     "jsdom": "27.4.0",
-    "stylelint": "17.1.1",
+    "stylelint": "17.3.0",
     "@sitespeed.io/plugin": "1.0.0"
   },
   "scripts": {