Fix stylelint command in package.json

Co-authored-by: Mark McDowall <mark@mcdowall.ca>

package.json

@@ -11,7 +11,7 @@
     "lint": "eslint --config frontend/.eslintrc.js --ignore-path frontend/.eslintignore frontend/",
     "lint-fix": "yarn lint --fix",
     "stylelint-linux": "stylelint $(find frontend -name '*.css') --config frontend/.stylelintrc",
-    "stylelint-windows": "stylelint frontend/**/*.css --config frontend/.stylelintrc",
+    "stylelint-windows": "stylelint \"frontend/**/*.css\" --config frontend/.stylelintrc",
     "check-modules": "are-you-es5 check . -r"
   },
   "repository": "https://github.com/Prowlarr/Prowlarr",