build(deps-dev): bump @babel/core in /litemall-admin

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.0.0 to 7.29.6.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.29.6/packages/babel-core)

---
updated-dependencies:
- dependency-name: "@babel/core"
  dependency-version: 7.29.6
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

litemall-admin/package.json

@@ -67,7 +67,7 @@
     "xlsx": ">=0.17.0"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0",
+    "@babel/core": "7.29.6",
     "@babel/register": "7.0.0",
     "@vue/cli-plugin-babel": "4.4.4",
     "@vue/cli-plugin-eslint": "4.4.4",