fix(jiti): enable interopDefault by default

Author: antfu

src/loaders/jiti.ts

@@ -3,6 +3,7 @@ import type { ImportxModuleInfo, ImportxOptions } from '../types'
 
 export async function loader(info: ImportxModuleInfo, options: ImportxOptions): Promise<any> {
   const jiti = createJiti(info.parentPath, {
+    interopDefault: true,
     ...(info.cache === false
       ? {
           cache: false,