[Test] Downgrade stylelint

as 13.4.0 is broken

package.json

@@ -1,7 +1,7 @@
 {
     "devDependencies": {
         "eslint": "*",
-        "stylelint": "*",
+        "stylelint": "~13.3.3",
         "stylelint-config-standard": "*"
     },
     "eslintIgnore": [