Bump stylelint from 13.6.0 to 13.6.1 (#311)

Bumps [stylelint](https://github.com/stylelint/stylelint) from 13.6.0 to 13.6.1.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/master/CHANGELOG.md)
- [Commits](stylelint/stylelint@13.6.0...13.6.1)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: XhmikosR <xhmikosr@gmail.com>

package.json

@@ -49,7 +49,7 @@
     "postcss-cli": "^7.1.1",
     "purgecss": "^2.3.0",
     "shx": "^0.3.2",
-    "stylelint": "^13.6.0",
+    "stylelint": "^13.6.1",
     "stylelint-config-twbs-bootstrap": "^2.0.3",
     "svg-sprite": "^1.5.0",
     "svgo": "^1.3.2",