fix: fix the sass example

Author: bvanjoi

examples/react-with-sass/package.json

@@ -4,11 +4,10 @@
   "description": "",
   "main": "index.js",
   "private": true,
-  "build": {
-    "build": "rspack build ",
+  "scripts": {
+    "build": "rspack build",
     "dev": "rspack serve"
   },
-  "scripts": {},
   "keywords": [],
   "author": "",
   "license": "MIT",

examples/react-with-sass/rspack.config.js

@@ -11,11 +11,10 @@ module.exports = {
   module: {
     rules: [
       {
-        test : {
-          type: "regexp",
-          matcher: '\\.s[ac]ss$'
-        },
-        use: [{ builtinLoader: "builtin:sass-loader" }],
+        test: /\.s[ac]ss$/,
+        use: [
+          { loader: "builtin:sass-loader" }
+        ],
         type: "css",
       },
     ],