npm-dep: bump eslint from 9.26.0 to 9.27.0 in /frontend

Bumps [eslint](https://github.com/eslint/eslint) from 9.26.0 to 9.27.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v9.26.0...v9.27.0)

---
updated-dependencies:
- dependency-name: eslint
  dependency-version: 9.27.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

frontend/package.json

@@ -23,7 +23,7 @@
 		"@sveltejs/kit": "^2.21.0",
 		"@sveltejs/vite-plugin-svelte": "^5.0.3",
 		"daisyui": "^5.0.35",
-		"eslint": "^9.26.0",
+		"eslint": "^9.27.0",
 		"eslint-config-prettier": "^10.1.5",
 		"eslint-plugin-svelte": "^2.46.1",
 		"globals": "^15.15.0",