re-add function-url-quotes: always

Author: nadalaba

frontend/src/styles/standalone.scss

@@ -6,14 +6,14 @@
   font-style: normal;
   font-weight: 400;
   font-display: block;
-  src: url(/webfonts/RobotoMono-Regular.woff2) format("woff2");
+  src: url("/webfonts/RobotoMono-Regular.woff2") format("woff2");
 }
 @font-face {
   font-family: "Lexend Deca";
   font-style: normal;
   font-weight: 400;
   font-display: block;
-  src: url(/webfonts/LexendDeca-Regular.woff2) format("woff2");
+  src: url("/webfonts/LexendDeca-Regular.woff2") format("woff2");
 }
 
 :root {

stylelint.config.mjs

@@ -38,8 +38,6 @@ export default {
     "selector-class-pattern": null,
     "selector-id-pattern": null,
 
-    "function-url-quotes": null, // add // default: always
-
     "declaration-block-no-redundant-longhand-properties": null,
     "shorthand-property-no-redundant-values": null,