Update stylelint (#89)

.stylelintrc.js

 module.exports = {
   extends: ['stylelint-config-recommended', 'stylelint-config-prettier'],
+  customSyntax: '@stylelint/postcss-css-in-js',
 }

package.json

@@ -34,6 +34,7 @@
     "@babel/preset-typescript": "^7.15.0",
     "@lavamoat/allow-scripts": "^1.0.6",
     "@lavamoat/preinstall-always-fail": "^1.0.0",
+    "@stylelint/postcss-css-in-js": "^0.37.2",
     "@types/chrome": "^0.0.159",
     "@types/firefox-webext-browser": "^94.0.0",
     "@types/react": "^17.0.31",
@@ -51,12 +52,13 @@
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-react": "^7.26.1",
     "path-browserify": "^1.0.1",
+    "postcss-syntax": "^0.36.2",
     "prettier": "^2.4.1",
     "process": "^0.11.10",
     "stream-browserify": "^3.0.0",
-    "stylelint": "^13.13.1",
+    "stylelint": "^14.1.0",
     "stylelint-config-prettier": "^9.0.3",
-    "stylelint-config-recommended": "^5.0.0",
+    "stylelint-config-recommended": "^6.0.0",
     "typescript": "^4.4.4",
     "url-loader": "^4.1.1",
     "webpack": "^5.59.1",