build: silence Sass deprecation warnings

Author: mrholek

vite.config.mjs

@@ -15,6 +15,11 @@ export default defineConfig(() => {
           autoprefixer({}), // add options if needed
         ],
       },
+      preprocessorOptions: {
+        scss: {
+          quietDeps: true,
+        },
+      },
     },
     esbuild: {
       loader: 'jsx',