Bump @babel/preset-env from 7.26.0 to 7.29.2 in /assets

Bumps [@babel/preset-env](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-env) from 7.26.0 to 7.29.2.
- [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/v7.29.2/packages/babel-preset-env)

---
updated-dependencies:
- dependency-name: "@babel/preset-env"
  dependency-version: 7.29.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

assets/package.json

@@ -12,7 +12,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.24.4",
-    "@babel/preset-env": "^7.24.4",
+    "@babel/preset-env": "^7.29.2",
     "babel-loader": "^9.1.3",
     "copy-webpack-plugin": "^12.0.2",
     "css-loader": "^7.1.1",