chore(cli): bump execa v6 (#11438)

packages/vant-cli/src/commands/build.ts

@@ -1,5 +1,5 @@
 import fse from 'fs-extra';
-import execa from 'execa';
+import { execa } from 'execa';
 import { join, relative } from 'path';
 import { clean } from './clean.js';
 import { CSS_LANG } from '../common/css.js';

packages/vant-cli/src/commands/lint.ts

@@ -1,4 +1,4 @@
-import execa from 'execa';
+import { execa } from 'execa';
 import { consola, createSpinner } from '../common/logger.js';
 import { SCRIPT_EXTS } from '../common/constant.js';
 
@@ -18,7 +18,7 @@ function runCommand(
   return new Promise((resolve) => {
     execa(cmd, options, {
       preferLocal: true,
-      env: { FORCE_COLOR: true },
+      env: { FORCE_COLOR: 'true' },
     })
       .then(() => {
         spinner.success({ text: messages.succeed });