npm-dep: bump typescript-eslint from 8.55.0 to 8.56.0 in /frontend

Bumps [typescript-eslint](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/typescript-eslint) from 8.55.0 to 8.56.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/typescript-eslint/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v8.56.0/packages/typescript-eslint)

---
updated-dependencies:
- dependency-name: typescript-eslint
  dependency-version: 8.56.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

frontend/package.json

@@ -36,7 +36,7 @@
 		"tailwindcss": "^4.1.18",
 		"tslib": "^2.8.1",
 		"typescript": "^5.9.3",
-		"typescript-eslint": "^8.55.0",
+		"typescript-eslint": "^8.56.0",
 		"vite": "^6.4.1"
 	},
 	"type": "module",