fix: 修复 script-setup-compiler 中 formatCodeFrame 不是函数的报错

将 @babel/code-frame 的导入方式从默认导出改为具名导出 codeFrameColumns，
并更新调用签名以传入 node.loc 对象。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: mackwang112

packages/webpack-plugin/lib/script-setup-compiler/index.js

@@ -3,7 +3,7 @@ const MagicString = require('magic-string')
 const { SourceMapConsumer, SourceMapGenerator } = require('source-map')
 const traverse = require('@babel/traverse').default
 const t = require('@babel/types')
-const formatCodeFrame = require('@babel/code-frame')
+const { codeFrameColumns: formatCodeFrame } = require('@babel/code-frame')
 const parseRequest = require('../utils/parse-request')
 
 // Special compiler macros
@@ -93,15 +93,13 @@ function compileScriptSetup (
 
   function error (
     msg,
-    node,
-    end
+    node
   ) {
     if (node) {
       throw new Error(
         `[Mpx script error]: ${msg}\n\n${filePath}\n${formatCodeFrame(
           content,
-          node.start + startOffset,
-          end
+          node.loc
         )}`
       )
     } else {