Bump eslint-config-next from 15.2.4 to 15.3.1

Bumps [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next) from 15.2.4 to 15.3.1.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/commits/v15.3.1/packages/eslint-config-next)

---
updated-dependencies:
- dependency-name: eslint-config-next
  dependency-version: 15.3.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

frontend/package.json

@@ -52,7 +52,7 @@
     "@types/react": "^19.0.12",
     "@types/react-dom": "^19.0.4",
     "constructs": "^10.4.2",
-    "eslint-config-next": "^15.2.3",
+    "eslint-config-next": "^15.3.1",
     "jest-mock-extended": "^3.0.7",
     "js-cookie": "^3.0.5",
     "mochawesome": "^7.1.3",