Bump stylelint from 13.6.1 to 13.7.0

Bumps [stylelint](https://github.com/stylelint/stylelint) from 13.6.1 to 13.7.0.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/master/CHANGELOG.md)
- [Commits](stylelint/stylelint@13.6.1...13.7.0)

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

Author: dependabot[bot]

package.json

@@ -35,7 +35,7 @@
     "postcss-loader": "3.0.0",
     "sass": "1.26.10",
     "sass-loader": "10.0.1",
-    "stylelint": "13.6.1",
+    "stylelint": "13.7.0",
     "stylelint-order": "4.1.0",
     "stylelint-scss": "3.18.0",
     "stylelint-webpack-plugin": "2.1.0",