chore(deps): bump eslint from 9.39.4 to 10.4.0 in /frontend (#230)

Bumps [eslint](https://github.com/eslint/eslint) from 9.39.4 to 10.4.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Commits](https://github.com/eslint/eslint/compare/v9.39.4...v10.4.0)

---
updated-dependencies:
- dependency-name: eslint
  dependency-version: 10.3.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Christian Krakau-Louis <christianlouis@gmail.com>

frontend/package.json

@@ -28,7 +28,7 @@
     "@types/node": "^25",
     "@types/react": "^19",
     "@types/react-dom": "^19",
-    "eslint": "^9",
+    "eslint": "^10",
     "eslint-config-next": "16.2.5",
     "jest": "^30.3.0",
     "jest-environment-jsdom": "^30.4.1",