build(deps): bump prettier from 2.3.2 to 2.4.0 (#9443)

Bumps [prettier](https://github.com/prettier/prettier) from 2.3.2 to 2.4.0.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/2.3.2...2.4.0)

---
updated-dependencies:
- dependency-name: prettier
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

packages/vant-cli/package.json

@@ -76,7 +76,7 @@
     "ora": "^5.4.1",
     "postcss": "^8.3.6",
     "postcss-load-config": "^3.1.0",
-    "prettier": "^2.3.2",
+    "prettier": "^2.4.0",
     "release-it": "^14.11.5",
     "stylelint": "^13.13.1",
     "transliteration": "^2.2.0",