Bump eslint-config-next from 13.4.19 to 14.2.15

Bumps [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next) from 13.4.19 to 14.2.15.
- [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/v14.2.15/packages/eslint-config-next)

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

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

package.json

@@ -69,7 +69,7 @@
     "concurrently": "^8.2.2",
     "cross-env": "^7.0.3",
     "eslint": "^8.49.0",
-    "eslint-config-next": "13.4.19",
+    "eslint-config-next": "14.2.15",
     "eslint-config-prettier": "^8.8.0",
     "eslint-plugin-prettier": "^5.1.3",
     "eslint-plugin-unused-imports": "^3.2.0",