fix(deps): update hono to 4.12.7 to fix prototype pollution (CVE)

Resolves Dependabot alert #1: hono < 4.12.7 vulnerable to prototype
pollution via __proto__ key in parseBody({ dot: true }).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: gcmsg

web/app/package-lock.json

@@ -34,6 +34,7 @@
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.4.24",
     "globals": "^16.5.0",
+    "hono": "^4.12.7",
     "shadcn": "^3.8.5",
     "tailwindcss": "^4.2.1",
     "tw-animate-css": "^1.4.0",