build(deps-dev): bump eslint-config-next from 15.3.5 to 16.2.6 (#15)

Bumps [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next) from 15.3.5 to 16.2.6.
- [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/v16.2.6/packages/eslint-config-next)

---
updated-dependencies:
- dependency-name: eslint-config-next
  dependency-version: 16.2.6
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -20,7 +20,7 @@
     "@eslint/eslintrc": "^3",
     "@tailwindcss/postcss": "^4",
     "eslint": "^10",
-    "eslint-config-next": "15.3.5",
+    "eslint-config-next": "16.2.6",
     "tailwindcss": "^4"
   },
   "pnpm": {