fix: 修复无法自动识别 .js import 问题

build/generate/generateModifyVars.ts

 import { resolve } from 'node:path'
-import { getThemeVariables } from 'ant-design-vue/dist/theme'
+import { getThemeVariables } from 'ant-design-vue/dist/theme.js'
 import { generateAntColors, primaryColor } from '../config/themeConfig'
 
 /**