fix(demos): add missing http-server devDependency

Author: Copilot

apps/demos/package.json

@@ -138,6 +138,7 @@
         "express": "4.22.1",
         "glob": "11.1.0",
         "globals": "catalog:",
+        "http-server": "14.1.1",
         "jest": "29.7.0",
         "jest-environment-node": "29.7.0",
         "lodash": "4.18.1",