fix: build output is not correct if plugin using some old amd library (#6665)

* fix: build output is not correct if plugin using some old amd library

* fix: amd library build error

packages/core/build/package.json

@@ -17,7 +17,7 @@
     "@lerna/project": "4.0.0",
     "@rsbuild/plugin-babel": "^1.0.3",
     "@rsdoctor/rspack-plugin": "^0.4.8",
-    "@rspack/core": "1.1.1",
+    "@rspack/core": "1.3.2",
     "@svgr/webpack": "^8.1.0",
     "@types/gulp": "^4.0.13",
     "@types/lerna__package": "5.1.0",

packages/core/build/src/buildPlugin.ts

@@ -347,6 +347,7 @@ export async function buildPluginClient(cwd: string, userConfig: UserConfig, sou
         umdNamedDefine: true,
       },
     },
+    amd: {},
     resolve: {
       tsConfig: path.join(process.cwd(), 'tsconfig.json'),
       extensions: ['.js', '.jsx', '.ts', '.tsx', '.json', '.less', '.css'],