Bump @antfu/eslint-config in /packages/vanilla-components

Bumps [@antfu/eslint-config](https://github.com/antfu/eslint-config) from 0.27.0 to 0.31.0.
- [Release notes](https://github.com/antfu/eslint-config/releases)
- [Changelog](https://github.com/antfu/eslint-config/blob/main/CHANGELOG.md)
- [Commits](antfu/eslint-config@v0.27.0...v0.31.0)

---
updated-dependencies:
- dependency-name: "@antfu/eslint-config"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

packages/vanilla-components/package.json

@@ -67,7 +67,7 @@
     "vue": "^3.2.39"
   },
   "devDependencies": {
-    "@antfu/eslint-config": "^0.27.0",
+    "@antfu/eslint-config": "^0.31.0",
     "@antfu/ni": "^0.18.5",
     "@rollup/plugin-typescript": "^9.0.2",
     "@types/lodash": "^4.14.189",