chore: update outdated description in package.json

package.json

@@ -1,7 +1,7 @@
 {
   "name": "openclaw",
   "version": "2026.1.29",
-  "description": "WhatsApp gateway CLI (Baileys web) with Pi RPC agent",
+  "description": "Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞",
   "type": "module",
   "main": "dist/index.js",
   "exports": {