fix(create-rslib): use js config for esm templates (#1655)

Author: Timeless0911

…b/template-node-dual-js/rslib.config.mjs …ib/template-node-dual-js/rslib.config.jspackages/create-rslib/template-node-dual-js/rslib.config.mjs renamed to packages/create-rslib/template-node-dual-js/rslib.config.js packages/create-rslib/template-node-dual-js/rslib.config.mjs renamed to packages/create-rslib/template-node-dual-js/rslib.config.js

@@ -112,7 +112,7 @@ export const createAndValidate = (
   if (templateCase.template === 'react') {
     const configFile = path.join(
       dir,
-      templateCase.lang === 'ts' ? 'rslib.config.ts' : 'rslib.config.mjs',
+      templateCase.lang === 'ts' ? 'rslib.config.ts' : 'rslib.config.js',
     );
     const configContent = fse.readFileSync(configFile, 'utf-8');