Bump stylelint from 15.4.0 to 15.6.0 (#199)

Bumps [stylelint](https://github.com/stylelint/stylelint) from 15.4.0 to 15.6.0.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@15.4.0...15.6.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -37,7 +37,7 @@
     "node": "^14.13.1 || >=16.0.0"
   },
   "peerDependencies": {
-    "stylelint": "^15.4.0"
+    "stylelint": "^15.6.0"
   },
   "dependencies": {
     "stylelint-config-recess-order": "^4.0.0",
@@ -48,7 +48,7 @@
   },
   "devDependencies": {
     "eslint": "^8.38.0",
-    "stylelint": "^15.4.0"
+    "stylelint": "^15.6.0"
   },
   "scripts": {
     "lint": "eslint --ignore-path .gitignore .",