Update to stylelint-config-recommended-scss 15

Author: jhae-de

package-lock.json

@@ -26,7 +26,7 @@
     "watch": "node --test --watch"
   },
   "dependencies": {
-    "stylelint-config-recommended-scss": "^14.1.0",
+    "stylelint-config-recommended-scss": "^15.0.0",
     "stylelint-config-standard": "^38.0.0"
   },
   "devDependencies": {