Update moltbot peer dependency to workspace:*

Change memory-core extension's moltbot peerDependency from npm version constraint (>2026.1.26) to workspace resolution protocol (workspace:*). This ensures pnpm resolves the local moltbot package instead of attempting to fetch from npm during monorepo builds.

Related to issue #2745.

extensions/memory-core/package.json

@@ -9,6 +9,5 @@
     ]
   },
   "peerDependencies": {
-    "moltbot": ">=2026.1.26"
-  }
+"moltbot": "workspace:*"  }
 }