build: bump @junobuild/config from 0.1.1 to 0.1.8 in /demo (#50)

Bumps [@junobuild/config](https://github.com/junobuild/juno-js/tree/HEAD/packages/config) from 0.1.1 to 0.1.8.
- [Release notes](https://github.com/junobuild/juno-js/releases)
- [Commits](https://github.com/junobuild/juno-js/commits/HEAD/packages/config)

---
updated-dependencies:
- dependency-name: "@junobuild/config"
  dependency-version: 0.1.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

demo/package-lock.json

@@ -12,7 +12,7 @@
     "postinstall": "npm run postinstall:copy-auth"
   },
   "devDependencies": {
-    "@junobuild/config": "^0.1.1",
+    "@junobuild/config": "^0.1.8",
     "@junobuild/vite-plugin": "^0.0.19",
     "@tailwindcss/vite": "^4.1.5",
     "autoprefixer": "^10.4.20",