chore(deps-dev): bump eslint-config-next from 16.2.10 to 16.2.12 in /ui

Bumps [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next) from 16.2.10 to 16.2.12.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Commits](https://github.com/vercel/next.js/commits/v16.2.12/packages/eslint-config-next)

---
updated-dependencies:
- dependency-name: eslint-config-next
  dependency-version: 16.2.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

ui/package.json

@@ -54,7 +54,7 @@
     "@vitejs/plugin-react": "^6.0.1",
     "@vitest/coverage-v8": "^4.1.0",
     "eslint": "^9",
-    "eslint-config-next": "16.2.10",
+    "eslint-config-next": "16.2.12",
     "jsdom": "^29.0.0",
     "tailwindcss": "^4",
     "typescript": "^6",