chore: Bump eslint-config-next from 14.0.4 to 15.0.3 in /apps/web-admin

Bumps [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next) from 14.0.4 to 15.0.3.
- [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/v15.0.3/packages/eslint-config-next)

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

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

apps/web-admin/package.json

@@ -35,7 +35,7 @@
     "easymde": "^2.18.0",
     "eslint": "8.56.0",
     "eslint-config-custom": "workspace:*",
-    "eslint-config-next": "14.0.4",
+    "eslint-config-next": "15.0.3",
     "framer-motion": "^11.5.4",
     "konva": "^9.3.15",
     "lucide-react": "^0.441.0",