chore(package): update stylelint to version 9.2.0 (#69)

Author: gucong3000

package.json

@@ -26,7 +26,7 @@
     "nyc": "^11.6.0",
     "postcss-less": "^1.1.3",
     "postcss-reporter": "^5.0.0",
-    "stylelint": "^9.1.3"
+    "stylelint": "^9.2.0"
   },
   "homepage": "https://github.com/gucong3000/postcss-unprefix#readme",
   "keywords": [