docs: update the usage of craco-less (#24701)

* docs: update use-with-create-react-app.zh-CN.md

* docs: update use-with-create-react-app.en-US.md

docs/react/use-with-create-react-app.en-US.md

@@ -146,11 +146,13 @@ module.exports = {
       plugin: CracoLessPlugin,
       options: {
         lessLoaderOptions: {
+          lessOptions: {
             modifyVars: { '@primary-color': '#1DA57A' },
             javascriptEnabled: true,
           },
         },
       },
+    },
   ],
 };
 ```

docs/react/use-with-create-react-app.zh-CN.md

@@ -148,11 +148,13 @@ module.exports = {
       plugin: CracoLessPlugin,
       options: {
         lessLoaderOptions: {
+          lessOptions: {
             modifyVars: { '@primary-color': '#1DA57A' },
             javascriptEnabled: true,
           },
         },
       },
+    },
   ],
 };
 ```