Bump eslint-config-next from 14.2.13 to 15.1.1

Bumps [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next) from 14.2.13 to 15.1.1.
- [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/v15.1.1/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] <[email protected]>

package.json

@@ -46,7 +46,7 @@
     "@typescript-eslint/parser": "^8.13.0",
     "dotenv-cli": "^7.4.2",
     "eslint": "^8.57.0",
-    "eslint-config-next": "14.2.13",
+    "eslint-config-next": "15.1.1",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-autofix": "^2.1.0",
     "eslint-plugin-filenames": "^1.3.2",