build(deps-dev): Bump eslint-config-next from 15.5.6 to 16.1.1

Bumps [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next) from 15.5.6 to 16.1.1.
- [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/v16.1.1/packages/eslint-config-next)

---
updated-dependencies:
- dependency-name: eslint-config-next
  dependency-version: 16.1.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -28,7 +28,7 @@
     "@types/react-dom": "19.2.3",
     "@typescript-eslint/eslint-plugin": "^8.51.0",
     "eslint": "9.39.2",
-    "eslint-config-next": "15.5.6",
+    "eslint-config-next": "16.1.1",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-prettier": "^5.5.4",
     "prettier": "3.7.4",