build(deps-dev): Bump @nextcloud/stylelint-config from 3.1.0 to 3.1.1

Bumps [@nextcloud/stylelint-config](https://github.com/nextcloud-libraries/stylelint-config) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/nextcloud-libraries/stylelint-config/releases)
- [Changelog](https://github.com/nextcloud-libraries/stylelint-config/blob/main/CHANGELOG.md)
- [Commits](nextcloud-libraries/stylelint-config@v3.1.0...v3.1.1)

---
updated-dependencies:
- dependency-name: "@nextcloud/stylelint-config"
  dependency-version: 3.1.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "@nextcloud/babel-config": "^1.2.0",
     "@nextcloud/browserslist-config": "^3.0.1",
     "@nextcloud/eslint-config": "^8.4.2",
-    "@nextcloud/stylelint-config": "^3.1.0",
+    "@nextcloud/stylelint-config": "^3.1.1",
     "@nextcloud/webpack-vue-config": "^6.3.0",
     "vue-template-compiler": "^2.7.16"
   },