updated package.json to latest

Author: Erwin Dondorp

package.json

@@ -12,12 +12,14 @@
     "babel-plugin-istanbul": "^6.0.0",
     "chai": "^4.2.0",
     "eslint": "^7.6.0",
+    "eslint-plugin-compat": "^3.8.0",
     "mocha": "^9.0.1",
     "nightmare": "^3.0.2",
     "nyc": "^15.1.0",
-    "stylelint": "^13.6.1",
+    "stylelint": "^13.13.1",
     "stylelint-config-standard": "^22.0.0",
-    "eslint-plugin-compat": "^3.8.0"
+    "stylelint-csstree-validator": "^1.9.0",
+    "stylelint-scss": "^3.20.1"
   },
   "eslintConfig": {
     "extends": [