build: bump @junobuild/core from 0.1.7 to 0.1.11 in /demo

Bumps [@junobuild/core](https://github.com/junobuild/juno-js/tree/HEAD/packages/core) from 0.1.7 to 0.1.11.
- [Release notes](https://github.com/junobuild/juno-js/releases)
- [Commits](https://github.com/junobuild/juno-js/commits/HEAD/packages/core)

---
updated-dependencies:
- dependency-name: "@junobuild/core"
  dependency-version: 0.1.11
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

demo/package-lock.json

@@ -22,7 +22,7 @@
     "vite-plugin-node-polyfills": "^0.23.0"
   },
   "dependencies": {
-    "@junobuild/core": "^0.1.7",
+    "@junobuild/core": "^0.1.11",
     "nanoid": "^5.1.0"
   }
 }