Fix missing known-css-properties (#132)

Author: ota-meshi

package.json

@@ -56,6 +56,7 @@
   "dependencies": {
     "debug": "^4.3.1",
     "eslint-utils": "^3.0.0",
+    "known-css-properties": "^0.24.0",
     "postcss": "^8.4.5",
     "postcss-safe-parser": "^6.0.0",
     "sourcemap-codec": "^1.4.8",