Bump stylelint from 13.13.0 to 13.13.1 (#5739)

Bumps [stylelint](https://github.com/stylelint/stylelint) from 13.13.0 to 13.13.1.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stylelint/stylelint/compare/13.13.0...13.13.1)

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

app/package.json

@@ -83,7 +83,7 @@
 		"rimraf": "^3.0.2",
 		"sass": "^1.26.10",
 		"sass-loader": "^9.0.2",
-		"stylelint": "^13.12.0",
+		"stylelint": "^13.13.1",
 		"tiny-async-pool": "^1.2.0",
 		"tinymce": "^5.5.1",
 		"vue": "^2.6.12",