chore(deps-dev): bump @antfu/eslint-config in /frontend

Bumps [@antfu/eslint-config](https://github.com/antfu/eslint-config) from 3.16.0 to 4.1.0.
- [Release notes](https://github.com/antfu/eslint-config/releases)
- [Commits](antfu/eslint-config@v3.16.0...v4.1.0)

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

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

frontend/package.json

@@ -12,7 +12,7 @@
     "check": "svelte-check --tsconfig ./tsconfig.json"
   },
   "devDependencies": {
-    "@antfu/eslint-config": "^3.0.0",
+    "@antfu/eslint-config": "^4.1.0",
     "@promplate/pattern": "^0.0.1",
     "@sveltejs/vite-plugin-svelte": "^3.1.1",
     "@tsconfig/svelte": "^5.0.4",